Search database
LIST OPTIONS
Filter
6057
Filtered Results: 6057
Text search: burden of disease
Featured
Language
Document type
No document type
3042
Studies & Reports
1430
Guidelines
684
Strategic & Response Plan
291
Manuals
271
Fact sheets
157
Training Material
77
Situation Updates
30
Infographics
28
Resource Platforms
26
Brochures
8
Dashboards/Maps
5
Online Courses
5
Videos
3
Countries / Regions
Global
409
India
263
Kenya
180
Western and Central Europe
147
South Africa
142
Ethiopia
121
Africa
118
Latin America and the Carribbean
109
Uganda
104
Nigeria
98
Sierra Leone
97
Tanzania
91
Liberia
89
Nepal
81
Malawi
81
Zambia
76
Namibia
73
Bangladesh
71
Ghana
70
Ukraine
65
Rwanda
62
Eastern Europe
61
Myanmar / Burma
54
Syria
51
Asia
51
South–East Asia Region
51
Philippines
42
Mozambique
42
Zimbabwe
35
Congo, Democratic Republic of
35
East and Southern Africa
34
Russia
34
Cambodia
33
South Sudan
33
Lesotho
31
Indonesia
31
West and Central Africa
28
Brazil
28
Guinea
25
Eastern Europe and Central Asia
25
Botswana
23
Germany
22
Senegal
19
Middle East and North Africa
19
Pakistan
19
Cameroon
17
North America
17
Eswatini/ Swaziland
17
Haiti
16
Sudan
16
Burkina Faso
15
Yemen
14
Colombia
13
USA
13
Venezuela
12
Vietnam
12
Thailand
11
Afghanistan
11
Western Pacific Region
11
Jordan
10
Somalia
10
Tajikistan
9
Central African Republic
9
Benin
8
Chile
8
Albania
8
Peru
8
Moldova
7
Sri Lanka
7
Mali
7
Iraq
7
China
6
Iran
6
Laos
6
Southern Africa
6
Argentina
6
Lebanon
6
Georgia
6
Ecuador
6
Madagascar
6
North Macedonia
5
Turkey
5
Burundi
5
Paraguay
5
Jamaica
5
Palestine
5
Angola
5
Timor Leste/ East Timor
4
Mexico
4
Armenia
4
Saudi Arabia
4
Turkmenistan
4
Papua New Guinea
4
Egypt
4
Libya
4
Kazakhstan
3
Kyrgyzstan
3
Mauritius
3
United Kingdom
3
Belarus
3
Côte d’Ivoire / Ivory Coast
3
Romania
3
Greece
3
Poland
3
Switzerland
2
El Salvador
2
Gambia
2
Togo
2
Qatar
2
Guinea-Bissau
2
Gabon
2
Tunisia
2
Bosnia and Herzegovina
2
Djibouti
2
Honduras
2
Chad
2
Bhutan
2
Guatemala
2
North Korea
1
Canada
1
Estonia
1
Niger
1
Uzbekistan
1
Morocco
1
Mongolia
1
Bulgaria
1
Dominican Republic
1
Hungary
1
Ireland
1
Japan
1
Denmark
1
Belgium
1
France
1
Maldives
1
Portugal
1
Spain
1
Morocco
1
Azerbaijan
1
Bolivia
1
Barbados
1
Belize
1
Costa Rica
1
Panama
1
Nicaragua
1
Slovakia
1
Authors & Publishers
Africa CDC
24
African Union
24
Africa CDC Centres for Disease Control and Prevention
22
Africa Center for Disease Control and Prevention
20
BMJ Global Health
19
Centers for Disease Control and Prevention
13
Centers for disease control and prevention CDC
13
CDC
12
BioMed Central
11
Centre for Health & Infectious Disease Research
7
Christoffel-Blindenmission (CBM)
7
AIDSinfo
6
Africa CDC Centers for Disease Control and Prevention
5
BMC
5
BMC Infectious Diseases
5
BMJ Open
5
Center for Global Development
5
Centers for Disease Control and Prevention (CDC)
5
A. Armstrong
4
Action Against Hunger
4
Amnesty International
4
AOSIS
4
ATLAS on substance use (2010)— Resources for the prevention and treatment of substance use disorder
4
BMC Public Health
4
bmj
4
Bulletin of the World Health Organization
4
C. Daniels, et al.
4
C. Smyth, et al.
4
D. Adams
4
D. Raben
4
A. Aerts, M. Grzemska
3
A. Bone
3
A. Sönnerborg
3
A. Turkova
3
Abela-Ridder, B.
3
Africa Centres for Disease Control and Prevention Center for Disease Dynamics, Economics & Policy
3
African Palliative Care Association
3
Alzheimer's Disease International
3
Asher, I.
3
Assessment Capacities Project
3
BMC Health Services Research
3
BMC Medicine
3
BMC Part of Springer Nature
3
BMJ Journals
3
Bousquet, J.
3
Brot für die Welt
3
BUKO Pharma-Kampagne
3
C. Beyrer
3
C. Daniels
3
C. Irvine
3
Center for Excellence in Disaster Management and Humanitarian Assistance
3
Child Health Division, Ministry of Health and Social Welfare, Government of India
3
Christoffel Blinden Mission (CBM)
3
CMAM Forum
3
A. G. Lentoor
2
A. Kamarulzaman
2
A. Kanchar
2
A. Pharris
2
A. Tareen
2
Aagaard-Hansen, J.
2
Abdulmalik, J.
2
Access to Medicine Foundation
2
ACF International
2
Addiss, D.
2
Advancing Partners & Communities
2
Africa Region
2
African Union, African CDC, World Health Organisation
2
AHOP
2
AIDS and Rights Alliance for Southern Africa
2
Alan J. Flisher, Michelle Funk, Natalie Drew et al.
2
Alliance for Public Health
2
American Diabetes Association
2
and S. Mauder
2
Assessement Capacities Projekt
2
Association of Indonesian Continents
2
Australian Agency for International Development, Handicap International - Humanity & Inclusion, iMMAP
2
Avances Cardiol
2
Avert
2
Barrett, O.L.
2
Birkman, L.
2
Bozorgmehr, K.
2
Braae, U.
2
British Journal of Medicine & Medical Research
2
British Society for Antimicrobial Chemotherapy BSAC
2
Brock, S.
2
Brunner B., J. Barnes, A. Carmona et. al.
2
Bull World Health Organ
2
Bundeszentrale für gesundheitliche Aufklärung
2
C. Ködmön
2
Cancer Association of South Africa (CANSA)
2
Cardiovascular Diagnosis and Therapy
2
CARE
2
Caroline Favas
2
Catholic Relief Services
2
Catholic Relief Services CRS
2
CCM Georgia
2
Centers for Disease Control and Prevention (HHS-CDC)
2
Centers for Disease Control and Prevention, National Center for HIV
2
Centers for Diseases Control and Prevention
2
Central TB Divison, Ministry of Health and Social Welfare, Government of India
2
Challenge TB
2
Child and Adolescent Psychiatry and Mental Health
2
Children & Aids
2
Circulation
2
Circulation Research
2
Clinical Infectious Diseases
2
Community Health Services Unit
2
Compaign for tobacco-free Kids
2
Conant, J.
2
Constella Futures
2
Countdown Calling Time on Neglected Tropical Diseases
2
Craig, J.
2
D. Daley
2
Dahal, P.
2
Dattani, S.
2
de Carvalho-Pinto, R. M.
2
Delfini Cançado, J. E.
2
(CDC) Center for disease control and prevention
1
(Regional Office of the World Health Organization)
1
, M. K. C. Nair
1
, S. Evans‐Lacko
1
.World Health Organization (WHO), Regional Office for South-East Asia
1
1000 Cities 1000 Lives
1
2012
1
2018
1
3 Good Health and well-beeing
1
390: 898&ndash
1
3ie Impact
1
4 Children
1
4 Children (Coordinating Comprehensive Care for Children)
1
4Children
1
912
1
[Global Handwashing Partnership]
1
A. A. Olashore
1
A. Abdul-Quader
1
A. Abdul-Quader, M. Berry, T. Bingham
1
A. Abdullah Khan, H. Akter Mita, et al.
1
A. Abdulmoneim
1
A. Adesina
1
A. Alebel
1
A. Amouzou
1
A. Arzimanoglou
1
A. Baddeley
1
A. Ball
1
A. Benzacar
1
A. Bolotbaeva
1
A. Boltaev
1
A. C. Hesseling, M. F. Cotton, C. F. von Reyn, et al.
1
A. Chiumento
1
A. D. Meundi, M. D. Meundi, B. B. Dhabadi
1
A. D. Meundi, M. D. Meundi, B. B. Dhabadi, et al.
1
A. E. Kendall
1
A. E. Miranda
1
A. Erbowor-Becksen, R. Yotsu, et al.
1
A. Fuss, H.D. Mazigo, et al.
1
A. Fuss, U. Ziegler, et al.
1
A. G. Yemaneberhan
1
A. Gebrie
1
A. Gheorghe
1
A. Guedes
1
A. H. Sohn
1
A. Hanciles-Amu
1
A. Harxhi
1
A. Harxkhi, et al.
1
A. Hovhannesyan, P. Moonan, A. Dadu
1
A. Ivanenko
1
A. J. Prendergas
1
A. Jindani, A. Nunn, D. A. Enarson
1
A. Judd
1
A. K. Lam
1
A. Kamensa, S. Olsena
1
A. Kanabus
1
A. Kapilashrami
1
A. Karimi, R. M. Ghanaie
1
A. L. Drake
1
A. L. Slogrove
1
A. L. Wirtz
1
A. Lachman
1
A. Landry, et al.
1
A. Latypov
1
A. LC de Vries
1
A. Lwidiko
1
A. Lycett
1
A. M. Tavares
1
A. Malaza
1
A. Malik, M.Li, et al.
1
A. Marconi
1
A. Minter, J. Edmunds et al.
1
A. Moniruzzaman
1
A. Montresor
1
A. Murray-Zmijewski
1
A. Nyundo
1
A. O. Rojas Vistorte , W. Ribeiro, C. Ziebold, et al.
1
A. Pawlowski, M. Jansson, M. Sköld, et al.
1
A. Prüss-Ustün
1
A. Roy, M. Eisenhut, R. . Harris, et al.
1
A. Russolillo
1
A. Scandurra, Dr. S. Libianchi, G. Parisi
1
A. Scheibe
1
A. Sharma
1
A. Silveira
1
A. Sriram
1
A. Stein
1
A. Stengaard
1
A. Strode
1
A. T. Choko
1
A. Tausch
1
A. Terlikbayeva, S. Hermosilla, S. Galea, et al.
1
A. Tursynbayeva
1
A. van Ahee
1
A. Verster
1
A. Vieno
1
A. Volokha
1
A. Warnke
1
A. Wirtz
1
A. Xhuvani
1
A.-C. ZK Bissek
1
A.B. Ghartey
1
A.D. Négrel, H.R. Taylor and S. West
1
A.Hill, T. Swan and K.Timmermans
1
A.L. Bustinduy, W.E. Secor, et al.
1
A.Mavrodaris
1
A.O.Al-Kathib, K.S.Al-Mazhoum, et al.
1
A.Ramesh
1
A.Sullivan
1
A.W. Gelb, W.W. Morriss, W. Johnson, et al.
1
Aarthi, G.R.
1
Aarti Patel, Patrick Mubangizi, Christa Cepuch
1
Abbass, M.M.
1
Abdala, M et al
1
Abdel-All, M
1
Abdoulaye F., M. Bop, A. Kane
1
Abdul Rahim, H.F.
1
Abdulkareem, B.
1
Abebaw Fekadu, Girmay Medhin, Medhin Selamu, et al.
1
Abebe, B.
1
Abeje Fekadu, G. F. Ambaw Getahun
1
Abela-Ridder, B. et al.
1
Abera, M.
1
Abir, T.
1
Ablo Prudence Wachinou, Serge Ade, Gildas Agodokpessi, Berenice Awanou, Dissou Affolabi, Wilfried Bekou, Marius Esse, Gabriel Ade, Severin Anagonou, Anthony D. Harries,1Programme National contre la Tuberculose (PNT), Cotonou, Bénin
1
Abola, M. T. B.
1
Aboud S., R. Mdegela
1
Abras A., Ballart C., Fernández-Arévalo A., et al.
1
Abubakar, A.
1
Abubakar, I.
1
Abuga, J.A.
1
ACAPS
1
Access Campaign, Médecins sans Frontières
1
Acción contra el Hambre España
1
ACCSI, ICASO
1
ACF International Network and the Oakland Institute
1
Achoki, T., M. K. Miller-Petrie, S.D. Glenn, et al.
1
Acibadem University, Atasehir-Istanbul, Turkey
1
Ackerman Gulaid, Laurie
1
ACPR
1
ACT Alliance
1
Acta Scientific Medical Sciences​
1
ACTafrica, HNP
1
Action Aid
1
Action Contre la Faim (ACF) International,
1
ACTION global health advocacy partnership
1
Action on Anitbiotic Resistance (ReAct)
1
ACTION partner oranizations
1
Adachi, Y.
1
Aday A.W.
1
Addis Ababa City Administration Health Bureau
1
Adeloye, D.
1
Adhikari, B.
1
Adler, A.J.
1
Adolescent Division, Ministry of Health and Social Welfare, Government of India
1
Adriana Jiménez Rojas
1
Adriko, M.
1
Advantage Africa, FIRAH, Resource Center Applied Research and Disability
1
AECT
1
AERAS
1
AFMC Resource Group
1
Africa Centres for Disease Control and Prevention (Africa CDC)
1
African Centre for the Constructive Resolution of Disputes
1
African Development Bank
1
African Development Bank Group
1
African Diabetes Education Program
1
African Field Epidemiology Network (AFENET)
1
African Health Observatory, World Health Organization (WHO)
1
African Journal of Primary Health Care & Family Medicine
1
African Journal of Primary Health Care & Family Medicine (PHCFM)
1
African Journal of Primary Health Care & Family Medicine, AOSIS
1
African Population Studies
1
African Prgramme for Onchocerciasis Control
1
African Programme for Onchocerciasis Control APOC
1
African Religious Health Assests Programme ARHAP
1
African Religious Health Assets Programme (ARHAP)
1
African Union, ALMA, and RMB Partnership to End Malaria
1
AfrOx
1
Afshin, A.
1
Afulani PA, Nutor JJ, Agbadi P, Gyamerah AO, Musana J, Aborigo RA, et al.
1
Aga Khan Health Services, Kenya
1
Agbiji E., Agbiji O.M.
1
Agbor, V.N.
1
Ageed, A.
1
Agne Diminskyte
1
Aguayo, Victor M. et al.
1
Agyemang, C.
1
Ahmad Hassali, M.A.
1
Ahmat, A.
1
Ahmed Mohamed Abdel Shafi and Reem Mohamed Abdel Shafi
1
AHOP National Centre based in Nigeria
1
AHVP
1
AidData
1
AidData at William & Mary
1
AIDS
1
AIDS & TB Programme
1
AIDS Foundation (Until no child has AIDS)
1
AIDS Free
1
AIDS Free (Strenghtening High Impact Interventions for a AIDS-free Generation)
1
Aidsfonds
1
AIDSFree
1
AIDSFree Project
1
Aidsmap
1
AIIPC
1
Aikulola, S.
1
Ajijola, O.A. et al.
1
Ajit Pradhan, Pradeep Poudel, Deborah Thomas, Sarah Barnett
1
akkon Hochschule für Humanwissenschaften
1
Aksion Plus
1
Aksoy, S.
1
Al Delaimy W., Ramanathan V., Sanchez Sorondo M. et al.
1
Al Ju’beh K
1
Al Kubati, A. S.
1
Al Moosawi, S.
1
Al-Jawaldeh, A.
1
Alak, ACD.
1
Alan J Flisher
1
Albania Center for Population and Development (ACPD)
1
Albanian Association of People Living with HIV/AIS
1
Albanian Center for Population and Development (ACPD)
1
Alcáron de Noya, B.
1
Aleksandrowicz L., Green R., Joy E., et al.
1
Alemayohu, M.A.
1
Alemu Tilahun, H.
1
Alexander Butchart, David Brown, Andrew Wilson, and Christopher Mikton
1
Alexander Butchart, Susan Hillis, Angela Burton et al.
1
Alexander Lourdes Samy, Zahra Fazli Khalaf, & Wah-Yun Low
1
Alfeus, A.
1
Aliku, T. et al.
1
Alipanah N, Jarlsberg L et al.
1
Alister C. Munthali
1
Alizadeh, M.
1
Allach, Y.
1
Allaire, A.
1
Allers, Claudia, Timothy O’Hearn, and Meba Kagone
1
Alliance
1
Alliance for Health Policy and System Research
1
Allied Publishers Private LTD.
1
Allwood, B.
1
Ally O, Kanoi BN, Ochola L, et al.
1
ALNAP
1
Alonso, J.
1
Altaf Hossain, Isaac Maddow-Zimet, Meghan Ingerick et al.
1
Altcheh, J.
1
Altweck, L.
1
Alvarado R., Ramírez J. et al
1
Alwan A., McColl K. et al.
1
Alys, W.
1
Alyssa S. Parpia, Martial L. Ndeffo-Mbah, Natasha S. Wenzel, et al.
1
Alzheimer's Association
1
Amazon Malaria Initiative AMI
1
Amber Hsiao
1
American College of Cardiology - NCD Academy
1
Amini, M.
1
Aminul Hasan
1
Amkongo, M.
1
Amoah A.S., P. T. Hoekstra, M. Casacuberta-Partal, et al.
1
Amodeo, C. et al.
1
AMREF
1
Amsale Cherie, Ato Hussen Mekonen, Tsehay Shimelse
1
Amterdam Institute for Global health & Development aighd
1
Amy Bloom, Leo Blanc, Chris Dye et al.
1
Anand, S.
1
Anand, Shuchi
1
Anaya-Covarrubias, J.Y.
1
and A. Kent
1
and B.M. Ances
1
and C. Agbedia
1
and D.V.Havlir
1
and J. M. Cohen
1
and K. S. Jacob
1
and M. A. El‑Sweify
1
and M.F. Good
1
and M.Khan
1
and M.P.Joshi
1
and P. Heydt
1
and P. Reijer
1
and Papadakis Maxine
1
and R. Franceys
1
and R. Yotsu
1
and S. Ayenalam Kidanie
1
and S.J. Mason
1
and T. Clasen
1
ANDEMIA
1
Andreas Sandgren, Marieke J. van der Werf, Netta Beer et al.
1
Angelo Barbato, Martine Vallarino, Filippo Rapisarda, et al.
1
Angheben, A. et al.
1
Anglo American
1
Annah Wamae, George Kichamu, Francis Kundu, Irene Muhunzu
1
Annals of Global Health
1
Annear, Peter Leslie
1
ANNIEWILKINSON ANDMELISSA LEACH
1
Ansari, Armin
1
Antares Foundation
1
Anthonisen, N.R.
1
Antonia Braus, Maria Victoria Larrateguy , Angela R. Schug, Johan Willems
1
Anushka Kalyanpur
1
AOSIS Publishing
1
Aparecida Vincent, V. et al.
1
Apeagyei A.E., Dieleman J.L., Leach-Kemon K., et al.
1
Apeagyei, A. E.
1
APN+
1
Ar-Rizqi, M.A.
1
ARASA (AIDS & Rights Alliance for Southern Africa)
1
ARASA AIDS & Human Rights Alliance for Southern Africa
1
Ardath Grills, Stephanie Morrison, Bradley Nelson et al.
1
Argaw M.
1
Arias, Daniel
1
Arii M., F. Baele, J. Bedford et al.
1
Arima Mishra
1
Arjadi , R.
1
Arkangelo Ali Association
1
Arlington, VA: Management Sciences for Health
1
Armenian National AIDS Center
1
Armocida, B.
1
Armstrong, G.
1
Arne H Eide & Bhekie Jele
1
Arne H Eide & ME Loeb
1
Arne H Eide and Yusman Kamaleri
1
Arne H. Eide & Tlamelo Mmatli
1
Asaduzzaman, M. et al.
1
Asante, C. et al.
1
Ashby B.
1
Ashdin Publishing Journal of Drig and Alcohol Research
1
Ashish, K.C.
1
Asia Pacific Leaders Malaria Alliance
1
Asia Pacific Leaders Malaria Alliance APMEN
1
Asia Pacific Observatory on Health Systems and Policies
1
Asia Pacific Observatory on Health Systems and Policies
1
Asian-Pacific Resource & Research C0entre for Women (ARROW)
1
ASLM
1
Asmani, J. A.
1
Asociación Colombiana de Infectiologiá ACIN
1
Asociacíon Colombiana de Infektiologia ACIN
1
Associazione Antigone
1
Astle. B.
1
Atal Bihari Vajpayee Institute of Good Governance & Policy Analysis
1
Aten, J.
1
Atherstone D.
1
Atun, R.
1
August Burns, Linda O’Neal Eckert, Susan Hariri et al
1
Australian Women's Health Network
1
AVAC (Global Advocacy for HIV Prevention)
1
Avaria, A. et al.
1
Avenir Health, Johns Hopkins University (USA) and Victoria University (Australia)
1
AWMF ONLINE
1
Awoyemi Abayomi Awofalaa, Olusegun Emmanuel Ogundele
1
Awudu, RA.
1
Axios, et al.
1
Axsel, C.
1
Ayala, George
1
Aziz N. A., S. S. Mohamed, T. A. Badara et. al.
1
Aziz, A.
1
Åsa Hammar and Guro Årdal
1
B-Lajoie,MR. O. Drouin,G. Bartlett, et al.
1
B. Falissard
1
B. Akkazieva
1
B. B. Bachore
1
B. Brown
1
B. C. Zanoni
1
B. Diaz
1
B. Duthey, Ph.D
1
B. Frank‐Hatitchki: O. Ogunwobi
1
B. H. Singer (Princeton University)
1
B. Herstad
1
B. J. Mohapia
1
B. James, Ph.D.
1
B. Karo
1
B. Killingo
1
B. Konstantinov
1
B. M. McCoy
1
B. Mason Meier
1
B. Mboya, P. Maro, J. Gulaka et al.
1
B. Noubary
1
B. Pick
1
B. Rajamaki
1
B. StamblerI
1
B. Subha Sri
1
B. Tesfaye
1
B. Unnikrishnan
1
B. Weil
1
B. Williams
1
B.A. Wall, A. Mateus, L. Marshall et al.
1
B.Bandelo, S. Michaelis, D. Wedekind
1
B.Callender, V. Adams, et al.
1
B.F. Rajsfus, P. H. Carneiro et al.
1
B.S. Kamps
1
Baard, C.B.
1
Baatjies, R.
1
Back Pack Health Worker Team (BPHWT)
1
Badrizadeh, A.
1
Baer B.
1
BAff
1
Bahiru, E.
1
Balaji, V., P. Rupali, K. Walia, et al.
1
Balamurali, M.
1
Bamba S. , Zida A., Sangaré I. et al.
1
Banda, H.T. et al.
1
Banda, P
1
Banerjee, A.
1
Bangladesh Red Crescent Society (BDRCS), Community Development Department
1
Bangpan, M
1
Banks, Lena M., Walsham, Matthew and others
1
Banks, L.M. & Keogh, M.
1
Baraldi, E.
1
Barasa, E.
1
Barasa, V.
1
Barben et al.
1
Barbosa Martelli, D. R.
1
BardenO'Fallon J, Barry MA, Brodish P, et al.
1
Barker, G.
1
Barnes, H.
1
Barrios, R.N.
1
Bartlett, E. S.
1
Bartoloni, A.
1
Basic Needs Basic Rights
1
Basic Needs Ghana
1
BASICS
1
Basquil, C.
1
Bateman, E. D.
1
Bateman, E.D.
1
Batista, C.
1
Baxter, N.
1
Bay, N. et al.
1
Bayerisches Staatsministerium für Gesundheit und Pflege
1
Baylor International Pediatric AIDS Initiative (BIPAI)
1
Bazargani, Y.T.
1
Bălă, G.P.
1
Bărbat, C.
1
BBC Media Action
1
Beard, R. Suzanne
1
Beasley, R.
1
Becher, H.
1
Becker, A.
1
Bedding, E.J.
1
Beer, J. de
1
Begum, T. S. M.
1
Belkum, A.van, T. T. Bachmann, G. Lüdke, et al.
1
Ben Naafs, et al.
1
Bendavid E. et al.
1
Benjamin O Alli [et al.]
1
Bennett, James et al.
1
Berkley, James A.
1
Berkowitz, A.L.
1
Berlin, E.
1
Bernadette Daelmans, Olufemi Oladapo, Özge Tuncalp et al
1
Bernal, O.
1
Bernard van Leer Foundation
1
Berry, P.
1
Bertozzi, Stefano
1
Best Care Always South Africa
1
Bethesda, MD: Health Finance & Governance Project, Abt Associates Inc.
1
Betrò, S.
1
Beverly D Glass
1
Bham A., J. Bhiman, F. Bongweni et al.
1
Bham, A.
1
Bhatnagar, A.
1
Bhutta, Zulfiqar et al.
1
Biccard, B.M.
1
Bigna J. J., M.A. Amougou
1
Bigoni, A.
1
Bio Med Central
1
Bioethics
1
Bioline international
1
Bissell, K. et al.
1
Bixby, H.
1
Blanco, I.
1
Blaney, S. et al.
1
Bloom, Barry R.
1
Bloomberg
1
Bloomberg Philanthropic
1
BMA
1
BMC Cardiovascular Disorders
1
BMC Health Services Research, part of Springer Nature​
1
BMC Palliative Care
1
BMJ Global Health Journal
1
BMJ Open Respiratory Research
1
BMJ PACK
1
BMZ
1
Bo Wen, Rongbin Xu, Yao Wu, Micheline de Sousa Zanotti Stagliorio Coelho et al.
1
BOARD OF GOVERNORS In supersession of the Medical Council of India
1
Board on Global Health
1
Board on Health Sciences Policy
1
Boeuf, P.
1
Bonelli, R.
1
Bonita, R.
1
Bonsu FA, Hanson-Nortey NN, Afutu FK et al.
1
BooMed Central
1
Borgeson, J. R.
1
Boston Consulting Group
1
Bosu, WK
1
Bouley, T. A.
1
Bovet, P.
1
Bower, J.
1
Börjesson, E., Pedersen, K., & Villa Torres, L.
1
Braam, D.
1
Brabin, L.
1
BRAC
1
Bradshaw, C.
1
Brady, O. J. et all.
1
Brain Sciences
1
Braitstein, Paula et al.
1
Brand, P.L. et al.
1
Brandon A. Kohrt,Laura Asher, Anvita Bhardwaj, et al.
1
Breastfeeding Foundation of Life
1
Breathe, part of the European Respiratory Society (ERS)​
1
Breitegger, Alex
1
Breitner-Busch, S.
1
Brindha, J.
1
Brindley, P. et al.
1
British Association for Cardiovascular Prevention and Rehabilitation
1
British Heart Foundation
1
British Medical Journal
1
British Medical Journal (BMJ)
1
Brocklehurst C.
1
Brown, J.
1
Brunn, B.
1
Bruun, B.
1
Buckley, P.
1
Budde, H.
1
Budreviciute, A.
1
Buendia, J.
1
Bueno Fischer, G.
1
Bueno, P. et al.
1
Bukachi, SA.
1
Buliva E., Elnossery S., Okwarah P. et al.
1
Bundesministerium für wirtschaftliche Zusammenarbeit und Entwicklung (BMZ)
1
Bundesministerium für wirtschaftliche Zusammenarbeit und Entwicklung BMZ
1
Bundeszentrale für gesundheitliche Aufklärung BZgA
1
Bundy, Donald A. P.
1
Bunning K, Gona JK, Newton CR, Hartley S
1
Burns, A. and S. Iliffe
1
Burns, J.
1
Burri, E.
1
Bush, A.
1
Büscher P., Cecchi G., Jamonneau V. et al
1
by Mark Nunn, Annalies Borrel, Allison deFranco et al.
1
By the Committee on Ethical Aspects of Human Reproduction and Women's Health, International Federation of Gynaecologists and Obstetricians (FIGO)
1
C.
1
C. Kouambeng, R. Wounang et. al.
1
C. Acevedo
1
C. and B. Kwagala
1
C. Beecroft
1
C. Bern, E.H. Clark, et al.
1
C. Breuer
1
C. C. Chakanyuka Musanhu al.
1
C. C. Johnson
1
C. C. Onyedum, I. Alobu, K. N. Ukwaja
1
C. Celum
1
C. Centeno, Sitte, T. de Lima L. et.al.
1
C. Contini, M. Maritari, M. die Nuzzo, et al.
1
C. Cravero, S. Danner et. al.
1
C. D. Chikwari
1
C. D. Mitchell
1
C. DC Christie-Samuels
1
C. F. Bessa, G. N. lazo, G. V. Sauret
1
C. Ferreira-Borges
1
C. Figueroa
1
C. Fitzpatrick, J.Jannin
1
C. Freeman
1
C. Giannou and M. Baldan
1
C. Grollman
1
C. Hamelmann
1
C. Hanlon, A. Alem, C. Lund, et al.
1
C. Harrison et al.
1
C. Hasenkopf and K. Lee
1
C. Hoffmann, et al.
1
C. J. Schellack
1
C. K. Mbuba
1
C. Kalpaki, M. Moudatsou, E. Maraki, et al.
1
C. Kanabkaew
1
C. Kieling
1
C. Kollan
1
C. L. Moore
1
C. Leopold
1
C. Lienhardt
1
C. M. Yuen, H. O. Weyenga, A. A. Kim, et al.
1
C. MacNamara, L. Varley, P. M. McNamara
1
C. Mihalopoulos
1
C. Monga, J. Thuilliez et al.
1
C. Mpody, et al.
1
C. Nkoke
1
C. Oliveras
1
C. Oprea
1
C. Pettitt-Schieber, M. Owen, et al.
1
C. Pérez Casas
1
C. Pons-Duran, and R. Gonzalez
1
C. Quinn
1
C. R. Newton
1
C. R. Vitek
1
C. Rae
1
C. S. Yaha
1
C. Savolainen-Kopra
1
C. Venkatraman
1
C. Victora and M. Chowdury.
1
C.A.Caldéron, R. Pardo
1
C.A.Faerron-Guzman
1
C.P.
1
C.Victor
1
CA J, Kumar P V, Kandi V, et al.
1
CAAP12
1
Cable, C.
1
Cad. Saúde Colet.
1
Cadena-Gaitán, C.
1
Caixeta, R.
1
Calcagno, J.
1
Calderon, M.
1
Calligaro, G.
1
Calverton, Maryland, USA: ICF International
1
Cambodian Insittute for Cooperation and Peace
1
Camp, R. and C. Hoffmann
1
Campbell Collaboration
1
Campbell, N.R.C. et al.
1
Canadian Association of Physicians for the Environment (CAPE)
1
Canadian Red Cross
1
CANSA
1
Capps, B.
1
Caprara, G.
1
Caran Ann, M.
1
Carbonell, C.
1
Care, UNO Women, Unicef et al.
1
Caritas
1
Carla Silva-Matos
1
Carlier, Y.
1
Caroline Hickman, Elizabeth Marks, Panu Pihkala et al.
1
Carrillo-Larco
1
Carruther E., A. Veizis, E. Kondilis, et al.
1
Cash R et al.
1
Cashin, Jennifer
1
Caspary, Kevin
1
Castro, A.
1
Catherine O Egbe, C.Brooke-Sumner†, T. Kathree,et al.
1
Cawthrope, D.
1
Cazzoletti, L.
1
CBM & Basic Needs UK in Uganda (BNUU)
1
CBM East Africa Regional Office
1
CDA Collaborative Learning Projects
1
CDC Centers for Disease Control and Prevention
1
CDC et al.
1
CDC, KNCV, RIT, PHL, et. al
1
CDS
1
Cecchini, M.
1
Cecil Konijnendijk, Dikshya Devkota, Stephanie Mansourian & Christoph Wildburger (eds.)
1
Center for Disease Control (CDC), Climate and Health Program
1
Center for Disease Control and Prevention
1
Center for Disease Control and Prevention, World Health Organisation
1
Center for Pubic Health and Human Rights
1
Centers for Disease Control & Prevention
1
Centers for Disease Control and Prevention (CDC)
1
Centers for Disease Prevention and Control CDC
1
Central Bureau of Statistics (CBS) and UNICEF Nepal
1
Central Leprosy Division Directorate General of Health Services Ministry of Health and Family Welfare Government of India
1
Central Statistical Agency Addis Ababa, Ethiopia
1
Central Statistical Agency [Ethiopia] and ICF International
1
Central Statistical Office (CSO) [Swaziland], and Macro International Inc
1
Central Statistical Office (CSO) Zambia, Ministry of Health (MOH) Zambia, and ICF, et al.
1
Central Statistical Office Lusaka
1
Central TB Division Ministry of Health and Family Welfare, Government of India
1
Central TB Division, Directorate General of Health Services, Ministry of Health & Family Welfare, Nirman Bhavan
1
Central TB Division, Directorate General of Health Services, Ministry of Health & Family Welfare
1
Central TB Division, Ministry of Health and Family Welfare, Government of India
1
Centre for Affordable Water and Sanitation Technology CAWST
1
Centre for Heath & Infectious Disease Research
1
Centre for International Health and Development
1
Centre for Maternal and Newborn Health (CMNH), from the Liverpool School of Tropical Medicine (LSTM)
1
Centre for Respiratory Diseases and Meningitis and Outbreak Response
1
Cercone, James
1
Cerebral Palsy Alliance Research Foundation
1
Cesare, M.D.
1
CG Working Group, Child Lung Health Section, International Union Against Tuberculosis and Lung Disease
1
Chagas Coalition
1
Chairmen of the Committee on Doctrine and the Committee on Pro-Life Activities
1
Chaitkin, Michael
1
Chakane, Ntema
1
Chakaya, J.
1
Chalasani, Sativika
1
Chama-Chiliba, C.
1
Chana, R
1
Chang, Judy et al.
1
Chang, S.W.
1
Chapotera, Gertrude, Vinitha Jayachandran, and John Phuka
1
Charité
1
Charles I Azih
1
Charlotte Lindsey-Curtet, Florence Tercier Holst-Roness and Letitia Anderson
1
Charlson, F.J.
1
Charvat, H. et al.
1
Chatanga, Peter
1
Chaturaka Rodrigo, Tharanga Fernando, Senaka Rajapakse, et al.
1
Checchi F.
1
Chee H. Ng
1
Cheema B., A. Westwood
1
Chen, Y.
1
Cherian, M.N.
1
CHEST
1
Chetty, S.
1
Chiara Servili, Juliana Yartey, M.T. Yasamy, et. al.
1
Chidebe, R.C.W., and M.L. Pratt-Chapman
1
Chikwasha, Vasco, Isaac Phiri, Pugie Chimberengwa, Donewell Bangure, and Simbarashe Rusakaniko
1
Child Health Division
1
Children's HIV Services (Be their key to life)
1
Chimimba, F.
1
China CDC Weekly, CCDC Weekly
1
Chinenye Anyanwu, E.
1
Chiolero, A.
1
Chiombola, C.E., S. Mugassa, et al.
1
Chitereka, J., P. Mandikutse, D. Nguo, N. Sithole, and N. Madzingira
1
Cholera Secretariat Zimbabwe
1
Choon Guan Lim, Hannah Loh, Vidhya Renjan, Jason Tan and Daniel Fung
1
Chou-Zen Giam
1
Chowdhary, N.
1
Chowell and Nishiura
1
Chris Naylor
1
Christa L Fischer Walker, Igor Rudan, Li Liu, Harish Nair, et al.
1
Christensen, Alice et al.
1
Christian Aid
1
Christina Angela Ntulo
1
Christina Brandes-Barbier, Véronique Millot, Tomas Allen et al
1
Christina Wille and Larissa Fast
1
Christoffel Blindenmission CBM
1
Christopher J.L. Murray1 & Julio Frenk
1
Chua, P.L.C.
1
Cianconi, P.
1
CIDRAP
1
CIES IUL
1
Cieza A, Causey K, Kamenov K
1
CII Confederation of Indian Industry
1
Cilliers, J.
1
Civil Society 20 (C20) - Saudi Arabia 2020
1
Civil Society For Malaria Elimination CS4ME
1
Clare Gilbert
1
Clark, A.
1
Clarke-Deelder, E., G. Shapira, H. Samaha, et al.
1
Claudia Hanson, Jonathan Cox, Godfrey Mbaruku, et al.
1
Clayton O. Onyango, Regina Njeru, Sidi Kazungu et al.
1
Clinical Microbiology Reviews
1
Clinical Nurse Specialist – Tissue Viability
1
ClinMed International Library
1
Clinton Health Access Iniative
1
Coalition for Epidemic Preparedness Innovations (CEPI)
1
Cochrane
1
Cohen, R., Sharonann, L., Bygrave, H., et al
1
Cole CP, James PB, Kargbo AT
1
Collective Service RCCE
1
Colley, D.G.
1
Collin F. Payne and Hans-Peter Kohler
1
Collins, T.E.
1
Colón-González, F.J.
1
Comic Relief
1
Comité internacional de la Cruz roja
1
Committee on Nervous System Disorders in Developing Countries
1
Common Sense for Drug Policy
1
Commonwealth Health Partnerships
1
Communicable Disease Control Program (CDC), Ministry of Health and Family Welfare (MoHFW)
1
Communicable Diseases Project Directorate for Social and Human Development and Special Programmes, SADC Secretariat, Gaborone, Botswana
1
Community Ear & Hearing Health
1
Community Event-Based Surveillance (CEBS) Implementation Team
1
Community Eye Health
1
Community Health Impact Coalition
1
Community Health Services Unit, Ministry of Health, Department of Nutrition, HIV and AIDS Lilongwe, Malawi
1
Conant , J.
1
Concern Worldwide Nepal
1
Condo J, et al.
1
Congressional Research Service
1
Conlon C., T. McDonnell, M. Barrett, et al.
1
Consortium for Universities for Global Health
1
Constant, L.E.C.
1
Conteh, L. et al.
1
Convention on Biological Diversity
1
Convite A.C.
1
Cook, R.
1
Cooper, P. J.
1
COPD: Journal of Chronic Obstructive Pulmonary Disease
1
Corbett, E. L.
1
Cordaid
1
Cordeiro Jardim, B.
1
CORE Group
1
CORE Group Nutrition Working Group, Food and Nutrition Technical Assistance III Project (FANTA), and Save the Children
1
Corella de Sousa, J.
1
Corfmat, J.
1
Cornick, Picken, Wattrus et al.
1
Corrado Barbui, Tarun Dua, Kavitha Kolappa et al.
1
Corvalan, C.
1
Costa, F.
1
Cotton, M., et al.
1
Couldrey, M.
1
Coupland, Robin M.
1
COVID-19 Mental Disorders Collaborators
1
Crane, M.
1
Cristina Otero Garcia
1
Crofts, K.
1
Cruzatti, J., Dreher, A., and Matzat, J.
1
CSF, CBM
1
Cucunubá, Z.
1
Cullen M.
1
Cupertino, M. C.
1
CURATIO International Foundation
1
Curationis
1
Cure Americas
1
Cureus
1
Current Tropical Medicines Report
1
Currier, J.S.
1
Curry International Tuberculosis Center, State of California, California Health & Human Service Agency, Department of Public Health
1
Custovic, A.
1
Cynthia Green
1
Cyril Caminade, Sari Kovats, Joacim Rocklov et al.
1
D. A. Enarson, S. M. Kennedy, D. L. Miller, et al.
1
D. Acosta
1
D. Antognini, A. Combes, et al.
1
D. Barr
1
D. Breuer
1
D. Carr
1
D. D. Blanke
1
D. D. Bui
1
D. Daniels
1
D. Daniels, C. Smyth, et al.
1
D. Daniels, et al.
1
D. Evans
1
D. Ford
1
D. Gomez-Pastrana
1
D. Gökengin
1
D. Grace
1
D. Gyamfi Amoako, R. Carrel Founou, et al.
1
D. H. Mulligan,
1
D. Hedrich
1
D. Jones and Li Webster
1
D. K. Mubangizi
1
D. Kerrigan
1
D. Liriope
1
D. Low-Beer
1
D. Lowe, D. Hales
1
D. Mark
1
D. Ocheret
1
D. O’Mahony
1
D. P. Chin, C. L. Hanson
1
D. Richardson
1
D. Ruiz
1
D. S. Abebe
1
D. S. Nsagha
1
D. Stuckler, S. Basu, M. McKee, et al.
1
D. Tappe, C.Kasang, A. Mueller
1
D. Titkov
1
D. Todt, P. V’kovski, et al.
1
D. Wolfe
1
D.Currie
1
D.L. Terlonge
1
Damasceno, A
1
Damasceno, A. et al.
1
Damialis, A.
1
Damiati, S.
1
Dan Chisholm, Kim Sweeny, Peter Sheehan, et al.
1
Danel, Isabella
1
Daniel McLaughlin
1
Daniel V Vigo, Devora Kestel, Krishna Pendakur, Graham Thornicroft, Rifat Atun
1
Danyuttapolchai, J., S. Kittimunkong, S. Nateniyom, et al.
1
Dar M J
1
Darika Saingam
1
Dariusz Dziewanski
1
Dave, R.
1
David Beran
1
David Clarke & Jennifer Sawyer
1
David Lewis and Kath Ballard
1
David Marsh, Ashley Aakesson, Kechi Anah et al.
1
David P.M., Le Dévédec N. et al.
1
David Sanderson and Ben Ramalingam
1
Davies, J.S.
1
Davies, T.
1
Davis, Bill
1
De Beni, Davide
1
De la Porte, A.
1
de Silva, Nilanthi
1
de Vries D, Blair G, Morgan K
1
Debas, Haile T.
1
Decree of Minister of Health – Republic of Indonesia
1
Delia Grace
1
Delisle, H.
1
Delphine Sculier, Haileyesus Getahun, Reuben Granich
1
Denis Mubiru, Robert Byabasheija, John Baptist Bwanika, et al.
1
Denning, D. W.
1
Dennis Falzon, Elizabeth Harausz, Ernesto Jaramillo et al.
1
Dentico N.
1
Deoworm the World
1
Department for International Development
1
Department for International Development DFID
1
Publication Years
Category
Countries
2146
Clinical Guidelines
525
Public Health
492
Key Resources
229
Women & Child Health
213
Capacity Building
70
Pharmacy & Technologies
35
Annual Report MEDBOX
2
Toolboxes
TB
511
HIV
500
Mental Health
471
COVID-19
441
NCDs
298
NTDs
284
Planetary Health
278
AMR
220
Disability
146
Caregiver
139
Global Health Education
133
Rapid Response
127
Conflict
119
Malaria
115
Health Financing Toolbox
106
Ebola & Marburg
87
Refugee
78
Pharmacy
57
Natural Hazards
41
Cholera
31
Polio
29
Social Ethics
21
Zika
20
Specific Hazards
16
South Sudan
1
 Add to my MEDBOX

Managing Diabetes in Low Income Countries

Smokovski, I. Springer Nature (2021) CC2
It is now evident that we are living in a world of diabetes pandemic—despite the scientifically sound estimates, worldwide diabetes prevalence has been exceeding even the most pessimistic projections from the past. If we go back in history, it was estimated in 2004 that diabetes prevalence in 2030... more
 Download  (190)
  View PDF  (170)
 Add to my MEDBOX

Alcohol

World Health Organisation (WHO) World Health Organization (WHO) (2022) C_WHO
The World Health Organization (WHO) provides an overview of alcohol consumption and its global impact. Alcohol, containing ethanol, is a psychoactive and toxic substance that can lead to dependence. In 2019, alcohol consumption was responsible for approximately 2.6 million deaths worldwide, with 1.6... more
 Download  (299)
  View PDF  (376)
 Add to my MEDBOX

Fundamental Facts about mental health 2016

Mental Health Foundation (2016) CC
A comprehensive summary of mental health research, providing a unique handbook of key facts and figures, covering all key areas of mental health
 Download  (335)
  View PDF  (450)
 Add to my MEDBOX

Situational Analysis of Antimicrobial Use and Resistance in Humans and Animals in Zimbabwe

The Center for Disease Dynamics, Economics & Policy CDDEP (2017) C2
This situation analysis has gathered information about the current state of AMR, contributing factors and antimicrobial use in Zimbabwe from the human, animal, agricultural and environmental sectors. Data has been gathered from different sectors such as the general public, academia, the Ministry of ... more
 Download  (464)
  View PDF  (1037)
 Add to my MEDBOX

Epidemiology of Primary Multidrug-Resistant Tuberculosis, Vladimir Region, Russia

J. V. Ershova, G. V. Volchenkov, D. A. Kaminski, et al. Centers for Disease Control and Prevention (2015) C_CDC
Emerging Infectious Diseases; Vol. 21, No. 11, November 2015
 Download  (879)
  View PDF  (1225)
 Add to my MEDBOX

Cardiovascular Disease, Type 2 Diabetes, Obesity, Cancer, Chronic Obstructive Pulmonary Disease and Hyperlipidaemia Care
recommended

Ministry of Health and Social Welfare, Tanzania Tanzania Diabetes Association (2014) CC
Case Manangement Training Modules
 Download  (350)
  View PDF  (607)
 Add to my MEDBOX

Prevention of childhood tb - Module 4

International Union Against Tuberculosis and Lung Disease, World Health Organization (2017) C_WHO
Accessed November 2017
 Download  (239)
  View PDF  (267)
 Add to my MEDBOX

Preparing for the Regional Impacts of Climate Change in the United States

Center for Disease Control (CDC), Climate and Health Program (2020) C1
A summary of health effects, resources, and adaptation examples from health departments funded by CDC’s Climate and Health Program
 Download  (402)
  View PDF  (764)
 Add to my MEDBOX

Treatment of TB childhood TB - Module 3

International Union Against Tuberculosis and Lung Disease, World Health Organization (2017) C_WHO
Accessed November 2017
 Download  (286)
  View PDF  (299)
 Add to my MEDBOX

Chagas disease key facts

International Federation of Red Cross and Red Crescent Societies IFRC IFRC (2022) C1
About six to seven million people worldwide, mostly in Latin America, are estimated to be infected with Trypanosoma cruzi, the parasite that causes Chagas disease (WHO data from 2021). Chagas disease is found mainly in endemic areas of 21 Latin American countries.
 Download  (1263)
  View PDF  (1734)
 Add to my MEDBOX

Tuberculosis Infection Control in the Era of Expanding HIV Care and Treatment: Addendum to WHO Guidelines for the Prevention of Tuberculosis in Health Care Facilities in Resource-limited Settings

Center for Disease Control and Prevention, World Health Organisation (2007)
The goal of this addendum is to help management and staff 
minimize the risk of TB transmission at facilities in resource limited settings in which a.) HIV-infected persons receive diagnosis, care, treatment, 
and/or support, and b.) there is a high prevalence of HIV infection, both known 
and... more
 Download  (737)
  View PDF  (866)
 Add to my MEDBOX

Operational Plan Communicable Disease Control July 2011-June 2016

Ministry of Health and Family Welfare Government of the People's Republic of Bangladesh (2011) C1
 Download  (404)
  View PDF  (691)
 Add to my MEDBOX

Epidemiology of childhood TB - Module 1

International Union Against Tuberculosis and Lung Disease, World Health Organization (2017) C_WHO
Accessed November 2017
 Download  (351)
  View PDF  (422)
 Add to my MEDBOX

Operational considerations for the provision of the HIV continuum of care

European Centre for Disease Prevention and Control ECDC (2022) C1
This document provides an overview of key considerations for the provision of the HIV continuum of care in the context of displaced people from Ukraine in the EU/EEA. This document has two aims: firstly, to outline what is known of the Ukrainian HIV epidemic, and secondly, to use the HIV continuum o... more
 Download  (7)
  View PDF  (7)
 Add to my MEDBOX

Country Disease Outlook - Namibia

World Health Organization WHO, Regional Office of Africa (2023) C_WHO
Infographics and data
 Download  (897)
  View PDF  (1946)
 Add to my MEDBOX

Rapid Assessment of Ebola Infection Prevention and Control Needs — Six Districts, Sierra Leone, October 2014

Centers for Disease Control and Prevention CDC (2014)
 Download  (318)
  View PDF  (498)
 Add to my MEDBOX

Managing Drug Interactions in the Treatment of HIV-Related Tuberculosis

Centers for Disease Control and Prevention, National Center for HIVAIDS, et. al (2013) C_CDC
National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention. Division of Tuberculosis Elimination.
 Download  (1208)
  View PDF  (2451)
 Add to my MEDBOX

Limiting Heat Burden While Wearing Personal Protective Equipment (PPE) – Training Slides for Healthcare Workers and Site Coordinators

Centers for Disease Control and Prevention CDC (2014)
 Download  (216)
  View PDF  (234)
 Add to my MEDBOX

Summary of Guidance for Public Health Strategies to Address High Levels of Community Transmission of SARS-CoV-2 and Related Deaths, December 2020

Honein MA, Christie A, Rose DA, et al. Centers for Disease Control and Prevention CDC (2020) C_CDC
MMWR Morb Mortal Wkly Rep. ePub: 4 December 2020. DOI: http://dx.doi.org/10.15585/mmwr.mm6949e2
 Download  (1262)
  View PDF  (1041)
 Add to my MEDBOX

Participant’s manual: Integrated Disease Surveillance and Response Liberia

Ministry of Health and Social Welfare, Liberia; World Health Organization (WHO) (2016) C_WHO