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The WHO continuously reviews available data on SARS-CoV-2 variants of concern. For this version, the global epidemiological
situation of the COVID-19 pandemic as of 21 January 2022 – at a time when the Omicron VOC had been identified in 171
coun
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tries across all six WHO Regions and was rapidly replacing Delta worldwide – was considered Omicron has a substantial growth advantage, higher secondary attack rates and a higher observed reproduction number than Delta.
There is now significant evidence that immune evasion contributes to the rapid spread of Omicron. Other factors may be a shorter
serial interval (by about 0.8 to 1.2 days compared to Delta) and potential increased intrinsic transmission fitness . There is
growing evidence that with Omicron, there is lower vaccine effectiveness (VE) against infection and symptomatic disease soon after vaccination compared to Delta. There is also evidence of accelerated waning of VE over time of the primary series against infection and symptomatic disease for the studied vaccines. Further studies are required to better understand the drivers of transmission and declining incidence in various settings. These factors include the intrinsic transmission fitness properties of the virus, degree of immune evasion, vaccination coverage and level of vaccine-derived and post-infection immunity, levels of social mixing and degree of application of public health and social measures (PHSM).
more
Rabies has an enormous impact on both agriculture and conservation biology, but its greatest burden is undeniably on public health. As such, routine methods for rapid risk assessment after human exposures to rabies as well as applications for laboratory-based surveillance, production of biologicals
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and management of this infectious disease are critical. Given its mandate to improve human health and control disease among its Member States, WHO has led the production of this fifth edition of Laboratory techniques in rabies.
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Guidance on the prioritization of insecticide-treated nets in situations where resources are limited
In the context of limited resources, national malaria programmes may need to decide on how to prioritize all WHO-recommended interventions . This guidance document has been developed to support national malaria programmes in prioritization decisions
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, specifically on the deployment scope and product choice of insecticide-treated nets (ITNs). This guidance is to be
followed when programmes do not have sufficient budget to deploy the most effective ITNs to all populations at risk.
more
This document puts forward the joint position and vision of an expert, global, multistakeholder working group on implementing Kangaroo Mother Care (KMC) for all preterm or low birth weight (LBW) infants as the foundation for small and/or sick newborn care within maternal, newborn, and child health p
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rogrammes, and spur collaborative global action. The document summarizes the background information, evidence, and rationale for making KMC available to every preterm or LBW newborn and seeks to galvanize the international maternal, newborn, and child health community and families to come together to support the implementation of KMC for all preterm or LBW infants to improve their and their mothers and families health and well-being.
This position paper is intended to be used by policy-makers (i.e. those responsible for national policy, guideline development and budget allocation), development partners, programme managers, health workforce leadership, practising clinicians, civil society leadership (e.g. parent and professional organizations) and researchers/research organizations involved in KMC implementation research.
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The KMC implementation strategy targets a broad audience. These include policy-makers and programme managers at national, regional and local levels, government and nongovernmental organizations working in the area of maternal and newborn care, global and national professional associations, public an
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d private hospital management at all levels of care, and facility- and community-based maternal and infant care providers.
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The Polio Transition1
Monitoring and Evaluation (M&E) Framework was designed to monitor progress towards achieving the strategic and operational outcomes of the post-2023 Strategic Action Plan on Polio Transition (2018– 2023), as outlined in the Global Vision to use polio investments to build st
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rong, resilient and equitable health systems (the Global Vision), and regional strategic plans for the WHO African, Eastern Mediterranean and SouthEast Asia Regions. It aims to support an efficient and effective polio transition process through both process and outcome-based monitoring. The M&E Framework promotes accountability and strives for a harmonized approach to monitoring and evaluating the polio transition at the country, regional and global levels
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The Contingency Fund for Emergencies (CFE) provides WHO with rapid and flexible resources to respond to disease outbreaks and other health emergencies. The annual report provides an overview of the use and impact of the Fund over the previous year.
This report is the annual global monitoring report documenting progress towards Sustainable Development Goal (SDG) 2 targets 2.1 and 2.2. This year’s report explores the links between urbanization and changing food systems and how these changes are impacting the availability, affordability and des
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irability of healthy diets, food security and malnutrition in all its forms. It shows that understanding the ways in which urbanization is shaping food systems will require using a rural-urban continuum lens. By mapping the interlinkages across the rural-urban continuum, governments can identify challenges created by urbanization and suitable policies, technologies, investments and governance mechanisms to help address them.
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To assess national-level responses to NCDs, WHO has implemented NCD country capacity surveys periodically since 2001. This report is the latest in that series. Since the first survey round, the NCD Country Capacity Survey (NCD CCS) has been conducte
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d a further seven times, most recently in 2021. In the survey, completed by the NCD focal point within each country’s ministry of health or similar agency, countries are asked to report on the following topics relating to NCDs: (i) public health infrastructure, partnerships and multisectoral collaboration; (ii) policies, strategies and action plans; (iii) health information systems and surveillance; (iv) health system capacity for detection, treatment and care; and, added for 2021, (v) the impact of the COVID-19 pandemic on NCD-related resources and activities. The questionnaire is web-based and requires supporting documentation wherever possible. In the 2021 round, data were collected from May onwards, with the last survey responses arriving in September. Validation was carried out by WHO regional offices and WHO headquarters. Country responses to previous rounds of the survey were incorporated into the analysis to assess progress since 2010. Although all 194 Member States responded to the survey, data comparisons were restricted to the 160 countries that had responded to all rounds of the survey since 2010.
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The ongoing COVID-19 pandemic has shown that public financial management (PFM) should be an integral part of the response. Effectiveness in financing the health response depends not only on the level of funding but also on the way public funds are allocated and spent, this is determined by the PFM r
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ules, and how money flows to health service providers. So far, early assessments have shown that PFM systems ranged from being a fundamental enabler to acting as a roadblock in the COVID-19 health response. While service delivery mechanisms have been extensively documented throughout the pandemic, the underlying PFM mechanisms of the response also merit attention. To highlight the importance of PFM in health emergency contexts, this rapid review analyses various country PFM experiences and identifies early lessons emerging from the financing of the health response to COVID-19. The assessment is done by stages of the budget cycle: budget allocation, budget execution, and budget oversight. Identifying lessons from the varying PFM modalities used to finance the response to COVID-19 is fundamental both for health policy-makers and for finance authorities to prepare for future health emergencies.
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Cholera is a major health risk in many parts of the world, affecting millions of people every year. Since mid-2021, the world has been facing an acute upsurge of the 7th cholera pandemic, which is characterized by the number, size and concurrence of multiple outbreaks, the spread to areas that had b
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een free of cholera for decades and alarmingly high mortality rates. The mortality associated with these outbreaks is of particular concern as many countries have reported higher case fatality ratios (CFR) than in previous years
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Pathogen genomic surveillance has become a priority for public health systems in recent years. Genomic sequencing is increasingly being used to characterize pathogens and monitor important public health priorities (e.g. poliovirus, influenza virus, Mycobacterium tuberculosis and Vibrio cholerae, ant
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imicrobial resistance (AMR)). The decrease in cost and time of sequencing and the exponential development of bioinformatic pipelines have played a critical role in integrating pathogen genomics into routine public health surveillance. The coronavirus disease 2019 (COVID-19) pandemic has highlighted the role that sequencing plays in the surveillance of infectious diseases. Sequencing facilitates earlier detection, more accurate investigation of outbreaks, closer real-time monitoring of pathogen evolution and tailored development and evaluation of interventions to inform local to global public health decision-making and action. However, there remains a need to coordinate efforts, leverage and link existing surveillance and laboratory networks and capabilities, and systematically integrate genetic sequence data (GSD) with clinical and epidemiological data to strengthen its utility.
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Trustworthy, evidence-based health guidelines form the basis of national policies affecting both patients and health-care workers. Emphasizing the link between robust evidence and people’s trust in their health systems, Dr Hans Henri P. Kluge, WHO
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Regional Director for Europe said at the launch event, “Trust and transformation are key words for us, especially when we talk about improving and strengthening our health systems. Transformation should first and foremost serve the interests of patients and health-care workers”.
While it is not always easy to demonstrate the immediate effect of guidelines on people’s health, there is no viable alternative to utilizing guidelines based on the best available evidence.
Yet, developing robust guidelines remains a challenge for most countries. “Guidelines need to be both simple to use and timely, they need to address people’s real needs, especially at the local level, and should ultimately reflect the resources available,” said Dr Natasha Azzopardi-Muscat, Director, Country Health Policies and Systems, WHO/Europe. “This means that any successful guideline needs to be adjusted and adapted to local contexts and realities.”
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People affected by impairments and disabilities associated with TB are even more likely to belong to marginalized segments of society and are more likely to have their human rights unprotected. The challenges faced by people affected by TB include the consequences of impairment and disability associ
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ated with the disease, its treatment as well as with the stigma and discrimination applied to people affected by TB. There is now compelling evidence that the disease and its treatment affect quality of life and life expectancy even after successful treatment.
The WHO Global Tuberculosis Programme has produced the first policy brief on TB-associated disability, building on the increasing evidence in recent years on the unaddressed needs of people with TB who experience impairment and disability while on TB treatment and after completing TB treatment.
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Laboratory manual for yellow fever
recommended
This WHO laboratory manual provides the most up to date methods and procedures for the laboratory identification of yellow fever virus infection in humans. It provides guidance on the establishment and maintenance of an effective laboratory providin
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g routine surveillance testing for yellow fever, which operates within the WHO coordinated Global Yellow Fever Laboratory Network (GYFLaN) capable of providing confirmation of yellow fever infection reliably and timely. This second edition supersedes the first edition of the 2004 WHO manual for the monitoring of yellow fever virus infection.
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Terminology used to describe the transmission of pathogens through the air varies across scientific disciplines, organizations and the general public. While this has been the case for decades, during the coronavirus disease (COVID-19) pandemic, the terms ‘airborne’, ‘airborne transmission’ a
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nd ‘aerosol transmission’ were used in different ways by stakeholders in different scientific disciplines, which may have contributed to misleading information and confusion about how pathogens are transmitted in human populations.
This global technical consultation report brings together viewpoints from experts spanning a range of disciplines with the key objective of seeking consensus regarding the terminology used to describe the transmission of pathogens through the air that can potentially cause infection in humans.
This consultation aimed to identify terminology that could be understood and accepted by different technical disciplines. The agreed process was to develop a consensus document that could be endorsed by global agencies and entities. Despite the complex discussions and challenges, significant progress was made during the consultation process, particularly the consensus on a set of descriptors to describe how pathogens are transmitted through the air and the related modes of transmission. WHO recognizes the important areas where consensus was not achieved and will continue to address these areas in follow-up consultations.
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Ahead of World Malaria Day, the WHO Global Malaria Programme published a new operational strategy outlining its priorities and key activities up to 2030 to help change the trajectory of malaria trends, with a view to achieving the global malaria tar
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gets. The strategy outlines 4 strategic objectives where WHO will focus its efforts, including developing norms and standards, introducing new tools and innovation, promoting strategic information for impact, and providing technical leadership of the global malaria response.
I
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The documents focus on promoting healthier nutrition by addressing issues like sugar, salt, and fat intake, emphasizing their role in non-communicable diseases such as obesity, diabetes, and heart diseases. They include educational tools for children and adults to support balanced diets and public h
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ealth strategies to reform food systems and improve dietary habits globally.
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The "Assessing National Capacity for the Prevention and Control of Noncommunicable Diseases: Report of the 2021 Global Survey" by WHO examines the global state of readiness and infrastructure for managing noncommunicable diseases (NCDs) across count
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ries. Based on the 2021 survey, it analyzes national capabilities in public health infrastructure, policies, health systems, and the impact of the COVID-19 pandemic on NCD-related resources. The report highlights gaps and strengths in NCD prevention, treatment, and health policy integration, offering insights for improving NCD care worldwide. It emphasizes the need for multisectoral collaboration and targeted actions to meet global health goals.
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The WHO document "Integrating the prevention and control of noncommunicable diseases in HIV/AIDS, tuberculosis, and sexual and reproductive health programmes: implementation guidance" provides a framework for integrating noncommunicable diseases (NC
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Ds) into existing health programs for HIV/AIDS, tuberculosis (TB), and sexual and reproductive health (SRH). It emphasizes the importance of a people-centered approach to enhance healthcare accessibility and efficiency, especially in low-resource settings. The document outlines strategies for strengthening policy, financing, capacity building, and health system infrastructure. It offers actionable steps, tools, and case studies to support countries in reducing the burden of NCDs through integrated, holistic care within primary health services.
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