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Estimating the population at risk with soil transmitted helminthiasis and annual drug requirements for preventive chemotherapy in Ogun State, Nigeria

Mogaji H.O., Johnson O.O. , Adigun A.B. et al Nature (2022) C2

Soil transmitted helminth (STH) infections are among the most common human infections worldwide with over 1 billion people affected. Many estimates of STH infection are often based on school-aged children (SAC). This study produced predictive risk-maps of STH on a more finite scale, estimated the nu... more

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Elimination of soil-transmitted helminthiasis infection in Bangladesh: Knowledge, attitudes, and practices regarding mass drug administration

Tilak C.N., Retna S.P., Mohammad S.A. et al (2018) C2

Background: Despite several cycles of Mass Drug Administration (MDA), however, the prevalence of Soil-transmitted helminthiasis (STH) remains high in Bangladesh. A clear understanding of local knowledge, attitudes, and practices (KAP) related to the acceptance and utilization of MDA is critical for ... more

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Fexinidazole and Human African Trypanosomiasis: good news for this important neglected tropical disease

Bayão T.S., Cupertino M.C., Gomes A.P. et al Journal of the Brazilian Society of Tropical Medicine (2019) C2

Human African trypanosomiasis (HAT), or sleeping sickness, is an endemic disease in 36 sub-Saharan African countries, typically occurring in underdeveloped areas, where health systems face significant difficulties of diverse natures.

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Drug Discovery for Kinetoplastid Diseases: Future Directions

Rao S.P.S., Barrett M.P., Dranoff G. et al ACS Infectious Disease (2019) C2

Kinetoplastid parasites have caused human disease for millennia. Signiﬁcant achievements have been made toward developing new treatments for leishmaniasis (particularly on the Indian subcontinent) and for human African trypanosomiasis (HAT). Moreover, the sustained decrease in the incidence of HAT... more

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Efficacy of single versus four repeated doses of praziquantel against Schistosoma mansoni infection in school-aged children from Côte d'Ivoire based on Kato-Katz and POC-CCA: An open-label, randomised

Hoekstra P.T., Casacuberta-Partal M., van Lieshout L. et al (2020) C2

Preventive chemotherapy with praziquantel (PZQ) is the cornerstone of schistosomiasis control. However, a single dose of PZQ (40 mg/kg) does not cure all infections. Repeated doses of PZQ at short intervals might increase efficacy in terms of cure rate (CR) and intensity reduction rate (IRR). Here, ... more

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ETMI Plus - Marco para la eliminación de la transmisión maternoinfantil del VIH, la sífilis, la hepatitis y la enfermedad de Chagas

L. Gerardo Castellanos; M. Ghidinelli; H. Kurtis; et al. Pan American Health Organization; World Health Organization (Americas) (2017) C_WHO

Washington, D.C. 2017

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Current epidemiological evidence for predisposition to high or low intensity human helminth infection: a systematic review

Wright J.E., Werkman M., Dunn J.C. et al Parasites and Vectors (2018) C2

Background: The human helminth infections include ascariasis, trichuriasis, hookworm infections, schistosomiasis, lymphatic filariasis (LF) and onchocerciasis. It is estimated that almost 2 billion people worldwide are infected with helminths. Whilst the WHO treatment guidelines for helminth infecti...ons are mostly aimed at controlling morbidity, there has been a recent shift with some countries moving towards goals of disease elimination through mass drug administration, especially for LF and onchocerciasis. However, as prevalence is driven lower, treating entire populations may no longer be the most efficient or cost-effective strategy. Instead, it may be beneficial to identify individuals or demographic groups who are persistently infected, often termed as being “predisposed” to infection, and target treatment at them. Methods: The authors searched Embase, MEDLINE, Global Health, and Web of Science for all English language, humanbased papers investigating predisposition to helminth infections published up to October 31st, 2017. The varying definitions used to describe predisposition, and the statistical tests used to determine its presence, are summarised. Evidence for predisposition is presented, stratified by helminth species, and risk factors for predisposition to infection are identified and discussed. Results: In total, 43 papers were identified, summarising results from 34 different studies in 23 countries. Consistent evidence of predisposition to infection with certain species of human helminth was identified. Children were regularly found to experience greater predisposition to Ascaris lumbricoides, Schistosoma mansoni and S. haematobium than adults. Females were found to be more predisposed to A. lumbricoides infection than were males. Household clustering of infection was identified for A. lumbricoides, T. trichiura and S. japonicum. Ascaris lumbricoides and T. trichiura also showed evidence of familial predisposition. Whilst strong evidence for predisposition to hookworm infection was identified, findings with regards to which groups were affected were considerably more varied than for other helminth species. Conclusion: This review has found consistent evidence of predisposition to heavy (and light) infection for certain human helminth species. However, further research is needed to identify reasons for the reported differences between demographic groups. Molecular epidemiological methods associated with whole genome sequencing to determine ‘who infects whom’ may shed more light on the factors generating predisposition. more

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Chagas heart disease: An overview of diagnosis, manifestations, treatment, and care

Saraiva R.M., Mediano M.F.F., Mendes F.S. et al World Journal of Cardiology (WJC) (2021) C2

Chagas heart disease (CHD) affects approximately 30% of patients chronically infected with the protozoa Trypanosoma cruzi. CHD is classified into four stages of increasing severity according to electrocardiographic, echocardiographic, and clinical criteria. CHD presents with a myriad of clinical man... more

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Clinical management of East African trypanosomiasis in South Africa: Lessons learned

Frean J., Sieling W., Pahad H. et al International Journal of Infectious Diseases (2018) C2

Background: East African trypanosomiasis is an uncommon, potentially lethal disease if not diagnosed and treated in a timely manner. South Africa, as a centre for emergency medical evacuations from much of sub-Saharan Africa, receives a high proportion of these patients, mostly tourists and expatria... more

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Prevalence of Common Diseases in Indigenous People in Colombia

Bauer, H.; Mendoza, G.; Kreienbrock, L. et al. National Library of Medicine (2022) CC

The Indigenous tribe called the Wiwa lives retracted in the Sierra Nevada de Santa Marta, Colombia. Little is known about their health status and whether the health care system in place covers their needs.

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“Chagas Express XXI”: Anew ArtScience social technology for health and science education

Araujo-Jorge, T.; Ferreia, R.; Rocha, R. et al. PLoS Neglected Tropical diseases (2021) CC

Chagas Disease (CD) affects 6–7 million people worldwide and isrelated topoverty-promo ting conditions. Chronic asymptomatic cases are mostly invisible tohealth systems. Aiming totranslate CD discoveries into education/information practices toraise alertness and empowerment ofaffected people; and ... more

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Discrete typing units of Trypanosoma cruzi: Geographical and biological distribution in the Americas

Veláquez-Ortiz, N.; Herrera, G.; Hernández, C. et al. Scientific Data (2022) CC

Chagas disease caused by Trypanosoma cruzi is a public health issue in Latin America. This highly diverse parasite is divided into at least seven discrete typing units (DTUs) TcI-TcVI and Tcbat. Some DTUs have been associated with geographical distribution in epidemiological scenarios and clinical m... more

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The Chagas disease study landscape: A systematic review of clinical and observational antiparasitic treatment studies to assess the potential for establishing an individual participant-level

Maguire, B.; Dahal, P.; Rashan, S. et al. PLoS Neglected Tropical diseases (2021) CC

Chagas disease (CD), caused by the parasite Trypanosoma cruzi, affects ~6–7 million people worldwide. Significant limitations still exist in our understanding of CD. Harnessing individual participant data (IPD) from studies could support more in-depth analyses to address the many outstanding rese... more

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Schistosomiasis Morbidity Hotspots: Roles of the Human Host, the Parasite and Their Interface in the Development of Severe Morbidity

Mawa, P.; Kincaid-Smith, J.; Tukahebwa, E. et al Frontiers in Immunology (2021) CC

Species of the genus Schistosoma are digenetic trematodes and the causative agents of the Neglected Tropical Disease (NTD) schistosomiasis; a parasitic disease that ranks second only to malaria in terms of socioeconomic impacts. Over 220 million people worldwide are currently infected, 90% of whom l... more

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Schistosomiases Clinical guidelines - Diagnosis and treatment manual

Dubois, G.; Vasseur-Binachon, B.; Yoshimoto, C. et al. Médecins Sans Frontières (2022) CC

Schistosomiases are acute or chronic visceral parasitic diseases due to 5 species of trematodes (schistosomes). The three main species infecting humans are Schistosoma haematobium, Schistosoma mansoni and Schistosoma japonicum. Schistosoma mekongi and Schistosoma intercalatum have a more limited dis... more

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Progress Toward Global Eradication of Dracunculiasis

Hopkins, D.; Weiss, A.; Roy, S. et al. Morbidity and Mortality Weekly Report MMWR; National Libary of Medicine (2020) CC

Dracunculiasis (Guinea worm disease), caused by the parasite Dracunculus medinensis, is traditionally acquired by drinking water containing copepods (water fleas) infected with D. medinensis larvae, but in recent years also appears increasingly to be transmitted by eating fish or other aquatic anima... more

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A guillain-barre syndrome revealing cutaneous leishmaniasis in an immunocompetent adolescent

Mamadou K., Diop, A., Mbodji, A. et al. Pan African Medical Journal PAMJ - Clinical Journal (2020) CC

Guillain-Barre Syndrome (GBS) is an acute autoimmune polyradiculoneuropathy that often follows an antecedent infection. Leishmaniasis is a zoonosis due to a flagellate protozoan of the Leishmania genus and transmitted by the sandfly. Here we report a 15 years old teenager who presented with an ascen... more

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Serious adverse events following treatment of visceral leishmaniasis: A systematic review and meta-analysis

Singh-Phulgenda, S., Dahal, P., Ngu, R. et al. PLOS Neglected Tropical Diseases (2021) C1

Despite a historical association with poor tolerability, a comprehensive review on safety of antileishmanial chemotherapies is lacking. We carried out an update of a previous systematic review of all published clinical trials in visceral leishmaniasis (VL) from 1980 to 2019 to document any reported ... more

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Leptospirosis in sugarcane plantation and fishing communities in Kagera northwestern Tanzania

Mgode, G.; Japhary, M.; Mhamphi, G. et al. PLoS Neglected Tropical diseases (2019) CC

Leptospirosis is a bacterial zoonotic disease of worldwide importance, though relatively neglected in many African countries including sub Saharan Africa that is among areas with high burden of this disease. The disease is often mistaken for other febrile illnesses such as dengue, malaria, rickettsi... more

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Leptospiral Infection, Pathogenesis and Its Diagnosis

Samrot, A.; Sean, T.; Bhavya, K.; et al. (2021) CC

Leptospirosis is a perplexing conundrum for many. In the existing literature, the pathophysiological mechanisms pertaining to leptospirosis is still not understood in full. Considered as a neglected tropical zoonotic disease, leptospirosis is culminating as a serious problem worldwide, seemingly exi... more