nterim guidance, first issued 25 January 2021, updated 15 June 2021, updated 19 November 2021, updated 23 February 2022, updated 18 August 2022
revised version December 2020
Many critical questions remain about the effectiveness of COVID-19 vaccines in real-world settings. These questions can only be answered in post-introduction vaccine effectiveness studies.This guidance document outlines an approach to leverage existing surveillance systems for Severe Acute Respirato...ry Infection (SARI) to estimate COVID-19 vaccine effectiveness (VE) in preventing SARI associated with laboratory-confirmed SARS-CoV-2 using existing SARI surveillance systems. The approach uses the test-negative design to evaluate VE; cases are SARI patients who tested positive for SARS-CoV-2, and controls are SARI patients who tested negative for SARS-CoV-2.
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Cet article fait partie d’une série d’explications à propos de la mise au point et de la distribution des vaccins.
The second edition of the joint WHO, WIPO and WTO
publication “Promoting Access to Medical Technologies
and Innovation: Intersections between public health,
intellectual property and trade” (the Trilateral Study),*
published in 2020, included a special insert mappi...ng the
challenges posed by the COVID-19 pandemic in relation
to the integrated health, trade and IP policy framework set
out in the study. The Trilateral Study and the special insert
were designed to serve as background reference for policy-
makers in the widest sense – lawmakers, government
officials, delegates to international organizations, non-
governmental organizations (NGOs) and researchers
who seek a comprehensive presentation of the full range
of issues, including institutions and legal concepts with
which they may be unfamiliar. It is also designed to serve
as a factual resource for the three organizations’ technical
cooperation activities.
This update revises the information contained in that
insert in the light of more recent developments as of
30 August 2021. Further updates will be made to reflect
subsequent developments.
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It has been over a year since Kenya identified the first case of COVID-19 in the country. The Government formed the National COVID-19 task force, which supported the country's response through multi-sectoral technical working groups on testing, case management, risk communication and community engag...ement among others. An earlier version of the COVID case management guideline was released in April 2020 and capacity building of health care workers on diagnosis and treatment of COVID-19 was quickly carried out, even as counties prepared themselves by setting up isolation centres and supplies
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Latin America and the Caribbean is characterized by a matrix of social inequality whose axes —such as
socioeconomic stratum, gender, stage in the life cycle, ethnicity and race, territory, disability, and immigration
status— create multiple, often concurrent, situations of exclusion and discri...mination. The coronavirus
disease (COVID-19) pandemic has exacerbated wide social gaps and it is no coincidence that Latin America
and the Caribbean is one of the regions in which the health and socioeconomic impacts of the pandemic have
been the most severe, which shows that the costs of inequality are unsustainable
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A global call to action to protect the mental health of health and care workers
The key actions, activities, and approaches in this document are organized within each of the 5Cs (see Table 1 in the PDF) and those of the Strategic preparedness and response plan (SPRP) pillars as follows:
National action plan key activities, prioritized for the current context and the current ...understanding of the threat of SARS-CoV-2
A. Transition from emergency response to longer term COVID-19 disease management.
B. Integrate activities into routine systems.
C. Strengthen global health security.
Special considerations for fragile, conflict-affected and vulnerable (including humanitarian) settings
WHO global and regional support to Member States to implement their national action plans
Key guidance documents for reference
This is a living document that will be updated to incorporate new technical guidance in response to the evolving epidemiological situation. National plans should be implemented in accordance with the principles of inclusiveness, respect for human rights, and equity.
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Vaccines are powerful weapons in the fight against pandemic viruses as shown by responses to both the 2009 H1N1 influenza and the COVID-19 pandemics. However, planning for accessing, allocating and deploying vaccines in a pandemic situation is a complex endeavour, beset with multiple challenges at a...ll levels – local, regional and global. The World Health Organization (WHO) and its partners have prepared this revised guidance document to assist countries update their national deployment and vaccination plans (NDVPs) by leveraging global learnings from past pandemic responses, including the recent COVID-19 vaccination effort. The development and testing of a NDVP would not only advance pandemic preparedness efforts but would also have benefits in terms of increasing national capabilities to manage other health emergencies which require emergency vaccination campaigns.
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Through technical consultations with countries and partners, WHO has led the development of Preparedness and Resilience for Emerging Threats Module 1: Planning for respiratory pathogen pandemics. Version 1.0. The Module, currently available as an advanced draft, builds on previous pandemic lessons a...nd guidance, and has the following new elements:
It presents an integrated and efficient respiratory pathogen pandemic planning approach covering both novel pathogens and those known to have pandemic potential;
It enables coherence in addressing pathogen-agnostic and pathogen-specific elements for better preparedness;
It gives an organizing framework including operational stages and triggers for escalation and de-escalation between pandemic preparedness and response periods;
It contextualizes 12 IHR (2005) core capacities within the five components of health emergency preparedness, response and resilience (HEPR), from the respiratory threats perspective; and
It describes the critical sectors for respiratory pathogen pandemic preparedness to trigger multisectoral collaboration.
WHO will finalize and publish this Module after a global technical meeting that will be held on 24-26 April 2023.
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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...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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The far-reaching impacts of the COVID-19 pandemic underscore the critical need for evidence-informed, transparent and inclusive decision-making. Policy-makers have grappled with complex choices amidst uncertainty. They have constantly reassessed response measures while navigating their economic impl...ications and unintended consequences on societal well-being. Effective communication of the basis for these decisions has also posed a challenge, requiring transparency and public trust.
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Public health emergencies, including pandemics, highlight the need for health systems and services that are prepared, resilient and ready to respond to health security threats. Endorsed by Member States in 2023, the Asia Pacific Health Security Action Framework (APHSAF) is designed to engage m...ultisectoral actors in health security, and to reflect the complex nature of current and future public health emergencies. The Framework presents six interconnected, multisectoral domains of work that together form a comprehensive, multi-hazard health security system — emphasizing the One Health approach. The Framework also supports progress towards the Sustainable Development Goals and universal health coverage while meeting the responsibilities and obligations of the International Health Regulations (2005).
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Asthma is the most common chronic respiratory disease (CRD) worldwide and is estimated to affect 262 million causing significant mortality and morbidity, and has emerged as an important public health problem in many Latin American (LA) countries over the last 30 or so years. LA is a highly diverse r...egion in terms of geography, climate, wealth, and ethnicity including 20 different countries with 639 million inhabitants, where 40 million are estimated to have asthma. A common feature of LA countries is the high level of social inequalities3 (Figure 1). In LA, asthma prevalence in both children and adults is highly variable and, where high, is among the highest worldwide, particularly in coastal tropical cities.
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On August 13, 2024, the Africa CDC declared the mpox outbreak a Public Health Emergency of Continental Security (PHECS). The following day, the WHO declared it a Public Health Emergency of International Concern (PHEIC). A coordinated, continent-wide response is essential, co-led by the African Union... (AU) through the Africa CDC and the World Health Organization (WHO), in close collaboration with global partners working under a unified plan, budget, and monitoring framework.
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Dolutegravir HIV drug resistance (HIVDR) data from Africa remain sparse. We reviewed HIVDR results of Malawians on
dolutegravir-based antiretroviral therapy (November 2020– September 2021). Of 6462 eligible clients, 33 samples were submitted to South Africa, 27 were sequenced successfully, and 8 ...(30%) had dolutegravir HIVDR. Malawi urgently requires adequate HIVDR testing capacity.
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