This module is part of the WHO series The Immunological Basis for Immunization, which was initially developed in 1993 as a set of eight modules, comprising one module on general immunology and seven modules each devoted to one of the vaccines recommended for the Expanded Programme on Immunization, i....e. vaccines against diphtheria, measles, pertussis, polio, tetanus, tuberculosis and yellow fever. Since then, this series has been updated and extended to include other vaccines of international importance. The main purpose of the modules is to provide national immunization managers and vaccination professionals with an overview of the scientific basis of vaccination against a range of important infectious diseases. The modules developed since 1993 continue to be vaccine-specific, reflecting the biological differences in immune responses to the individual pathogens and the differing strategies employed to create the best possible level of protection that can be provided by vaccination. The modules also serve as a record of the immunological basis for the WHO recommendations on vaccine use, published in the WHO vaccine position papers.*
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The Zambia Population Based HIV impact assessment of 2016, reported the prevalence of viral hepatitis in Zambia as ranging between 5.6% among adults aged 15 to 59% in the general population, and 7.1% among HIV infected individuals. It is estimated that the majority of persons with chronic hepatitis ...B and/ or hepatitis C are unware of their infection and do not benefit from promotive, preventive and curative services designed to reduce onward transmission. Zambia introduced hepatitis B virus vaccine to the routine Under 5 vaccination schedule in 2005. Preliminary results from the ZAMPHIA indicate that hundreds of infections have been abated in children since then. However, its also clear that we continue to miss key opportunities to prevent transmission, diagnose and treat infections, prevent serious disease, and in many cases cure people. In addition, high risk groups inter alia health care workers still have limited access to the vaccine.
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Orientations provisoires, 2 février 2021
e document est une mise à jour des orientations provisoires de l’Organisation mondiale de la Santé (OMS) intitulées Coronavirus disease (COVID-19) outbreak: rights, roles and responsibilities of health workers, including key considerations... for occupational safety and health,publiées le 18 mars 2020(1). La présente version, qui se fonde sur les données récentes disponibles, fournit des conseils sur les mesures de santé et de sécurité au travail pour les agents de santé et les services de santé au travail dans le contexte de la pandémie de COVID-19. De plus, elle actualise les droits et responsabilités en matière de santé et de sécurité au travail des agents de santé conformément aux normes de l’Organisation internationale du Travail (OIT).
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Countries around the world are facing the challenge of increased demand for care of people with COVID-19, compounded by fear, misinformation and limitations on movement that disrupt the delivery of health care for all conditions. Maintaining essential health services: operational guidance for the CO...VID-19 context recommends practical actions that countries can take at national, subregional and local levels to reorganize and safely maintain access to high-quality, essential health services in the pandemic context. It also outlines sample indicators for monitoring essential health services, and describes considerations on when to stop and restart services as COVID-19 transmission recedes and surges.
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This report is documenting the global incidence of attacks and threats against health workers, facilities, and transport around the world. The report cites 806 incidents of violence against or obstruction of health care in 43 countries and territories in ongoing wars and violent conflicts in 2020, r...anging from the bombing of hospitals in Yemen to the abduction of doctors in Nigeria. Attacks -- including killings, kidnappings, and sexual assaults, as well as destruction and damage of health facilities and transports -- compounded the threats to health in every country as health systems struggled to prepare for and respond to the outbreak of the COVID-19 pandemic.
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The situation in South Sudan has proven to be unpredictable and volatile. New hotspots of violent conflict and civil unrest have continued to emerge and levels of severe acute food insecurity have become progressively worse. In addition to years of fighting and political instability, the country fac...es natural hazards, disease and pests, such as the desert locust, and the coronavirus disease 2019 (COVID-19) pandemic. Collectively, these risks have had and continue to have a catastrophic impact on the lives and livelihoods of South Sudanese, the majority of whom rely on agriculture, livestock, forestry and fisheries as their main source of income.
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The WHO End TB Strategy aims to end the global TB epidemic by 2030, in alignment with Goal 3 of the United Nations (UN) Sustainable Development Goals (SDGs). Member States of the World Health Organization (WHO) and the UN committed to ending the TB epidemic through adoption of WHO’s End TB Strateg...y and the UN SDGs in 2014 and 2015, respectivel
Almost half of the deaths worldwide caused by TB in 2019 occurred in the WHO South-East Asia Region, home to around a quarter of the global population. Maintaining robust progress in this Region is therefore essential if the global goal of ending the TB epidemic is to be realized. Despite substantial gains made in the Region, the threat to
health worldwide posed by the COVID-19 pandemic has the potential to reverse these gains and eclipse the focus on the global TB emergency.
While continuing to tackle COVID-19-related challenges, countries will need to rapidly and urgently deploy supplementary measures to address the large numbers of missed cases, poor treatment outcomes and, potentially, a higher TB burden.
The Regional Strategic Plan towards Ending TB in the Region 2021–2025 clearly articulates priority interventions, analyses the challenges, bottlenecks and opportunities, and focuses on implementation considerations in the Region.
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The climate crisis has many consequences – among them widespread health impacts that will lead to immense societal, ecological, and economic harm.
Over the past two decades multiple large-scale reviews on climate change and health have made clear the need for a multi-sectoral approach to target t...he drivers and impacts of climate change, biodiversity loss, and ecosystem degradation. Despite this abundance of scientific evidence underscoring urgency of action, policy implementation responses lag behind. Even at COP26, itself delayed due to an ongoing pandemic, health continues to be considered by many countries a problem independent from climate and environment.
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This global progress report attempts to lay the groundwork for the kind of accelerated action needed. Section 1 presents key data, trends and developments in women’s, children’s and adolescents’ health and well-being. That is followed in Section 2 by a deeper dive into the impact of the COVID-...19 pandemic, which has created and contributed to many threats and challenges to progress for women, children and adolescents. In Section 3, the report concludes with recommendations for accelerating progress towards the achievement of the 2030 Agenda even in such challenging times, with an emphasis on partnership
and clear-eyed recognition of the consequences of failing to do better.
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WHO needs US$2.54 billion to provide life-saving assistance to millions of people around the world facing health emergencies. WHO’s Health Emergency Appeal is a consolidation of WHO’s priorities and financial requirements for 2023 to carry out health interventions in emergency and humanitarian r...esponses. The number of people in need of humanitarian relief has increased by almost a quarter compared to 2022, to a record 339 million. WHO is responding to an unprecedented number of intersecting health emergencies: climate change-related disasters such as flooding in Pakistan and food insecurity across the Sahel in the greater Horn of Africa; the war in Ukraine; and the health impact of conflict in Yemen, Afghanistan, Syria and north eastern Ethiopia – all of these emergencies overlapping with the health system disruptions caused by the COVID-19 pandemic and outbreaks of measles, cholera, and other killers. Contributions to the appeal can be fully flexible, flexible across a region, or flexible within a country appeal.
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During the year 2022, COVID-19 continued to be a significant challenge in Eritrea as in many other countries across the world. As COVID-19 devastated communities around the world, WHO worked with the MoH to strengthen the National and Sub-National health systems in order to meet community needs and ...mitigate the devastation during the pandemic and beyond.
One of the major achievements in the year 2022 was the beginning of the journey towards validation of
the elimination of mother to child transmission of HIV, syphilis, and hepatitis B. This is the culmination of years
of commitment and determination by the political leadership, national and international partnerships to
reduce the associated indices to levels that qualify for elimination.
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In the last decade, Timor-Leste has made remarkable progress in strengthening its health system and improving the health status of its population. This has resulted in an increased life expectancy, and the achievement of Millennium Development Goals such as a reduction in infant and under-five morta...lity, an improvement in maternal and child health outcomes, and an increase in immunization coverage. Further, the country has successfully eliminated infectious diseases such as polio, measles, and maternal and neonatal tetanus. There is full political commitment to reducing the incidence of tuberculosis (TB) by 80% and the number of deaths due to TB by 90% by 2030. The country has made great progress in the context of the pandemic, having established numerous quarantine facilities/isolation centres; trained health-care workers; streamlined the procurement and supply of medicines, consumables, personal protective equipment and other equipment; and strengthened the capacity in critical care across secondary and tertiary health care, to better respond to future pandemics and other disaster situations.
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Promoting health and preventing disease is a critical component of the effort required to achieve Universal Health Coverage (UHC). to date, efforts to achieve UHC have focused mostly on strengthening health systems and their capacities to provide curative care. However, experience from the COVID-19 ...pandemic has reaffirmed the need for resilient health systems, emphasizing primary health care, including preventive and promotive health and well-being.
Emerging from the eye of the storm as the global health lead agency during the pandemic, WHO is equipped with the required insights and actions for a holistic approach to “building back fairer and better” after COVID-19.
The Healthier Populations (UHP) Cluster in the African Region is designed to support Pillar 3 of WHO’s 13th Global Programme of Work (GPW13) which aims to make 1 billion people healthier by reducing health inequities, preventing diseases and injuries, addressing health determinants, and promoting partnerships for collaborative actions amongst all stakeholders.
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WHO has updated its guidelines for COVID-19 therapeutics, with revised recommendations for patients with non-severe COVID-19. This is the 13th update to these guidelines.
Updated risk rates for hospital admission in patients with non-severe COVID-19
The guidance includes updated risk rates for... hospital admission in patients with non-severe COVID-19.
The current COVID-19 virus variants tend to cause less severe disease while immunity levels are higher due to vaccination, leading to lower risks of severe illness and death for most patients.
This update includes new baseline risk estimates for hospital admission in patients with non-severe COVID-19. The new ‘moderate risk’ category now includes people previously considered to be high risk including older people and/or those with chronic conditions, disabilities, and comorbidities of chronic disease. The updated risk estimates will assist healthcare professionals to identify individuals at high, moderate or low risk of hospital admission, and to tailor treatment according to WHO guidelines:
**High: **People who are immunosuppressed remain at higher risk if they contract COVID-19, with an estimated hospitalization rate of 6%.
**Moderate: **People over 65 years old, those with conditions like obesity, diabetes and/or chronic conditions including chronic obstructive pulmonary disease, kidney or liver disease, cancer, people with disabilities and those with comorbidities of chronic disease are at moderate risk, with an estimated hospitalization rate of 3%.
Low: Those who are not in the high or moderate risk categories are at low risk of hospitalization (0.5%). Most people are low risk.
Review of COVID-19 treatments for people with non-severe COVID-19
WHO continues to strongly recommend nirmatrelvir-ritonavir (also known by its brand name ‘Paxlovid’) for people at high-risk and moderate risk of hospitalization. The recommendations state that nirmatrelvir-ritonavir is considered the best choice for most eligible patients, given its therapeutic benefits, ease of administration and fewer concerns about potential harms. Nirmatrelvir-ritonavir was first recommended by WHO in April 2022.
If nirmatrelvir-ritonavir is not available to patients at high-risk of hospitalization, WHO suggests the use of molnupiravir or remdesivir instead.
WHO suggests against the use of molnupiravir and remdesivir for patients at moderate risk, judging the potential harms to outweigh the limited benefits in patients at moderate risk of hospital admission.
For people at low risk of hospitalization, WHO does not recommend any antiviral therapy. Symptoms like fever and pain can continue to be managed with analgesics like paracetamol.
WHO also recommends against use of a new antiviral (VV116) for patients, except in clinical trials.
The update also includes a strong recommendation against the use of ivermectin for patients with non-severe COVID-19. WHO continues to advise that in patients with severe or critical COVID-19, ivermectin should only be used in clinical trials.
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This country cooperation strategy (CCS) outlines how the World Health Organization (WHO) will work with the Lao People’s Democratic Republic over the next five years (2024–2028), supporting the implementation of the five-year health sector development plans and the Health Sector Reform Strategy ...2021–2030 to attain the Sustainable Development Goals (SDGs) by 2030.
The Lao People’s Democratic Republic experienced substantial economic growth in the 30 years prior to the coronavirus disease (COVID-19) pandemic, contributing to reduced poverty and significant progress toward the SDGs. However, the COVID-19 pandemic brought this development to a halt. It was anticipated that the COVID-19 recovery and the tremendous population growth in recent years would provide opportunities for a shift toward more sustainable and inclusive development in the years ahead. In 2023, however, the contrary was the case. Rural residents, including many ethnic minorities, continued to face marginalization because of limited access to education, health care and economic opportunities.
Despite the challenges of COVID-19 and other disease outbreaks, the country has made significant improvements in health. Nonetheless, progress has been uneven and not everyone has benefited from these achievements. In the mountainous region, many people lack access to quality health care because of the unequal distribution of well-trained health-care workers. Preventable deaths due to poor-quality health care for children and newborns, infants and mothers remain a concern, as do communicable diseases such as sexually transmitted infections and tuberculosis. The increasing burden of noncommunicable diseases and the health impact of worsening climate change further heighten the need for strengthened and resilient health systems, which are at risk due to an underfunded health sector and weak economy.
This CCS aims to address remaining and future challenges as well as health needs while creating an impact that is sustainable. It identifies three strategic priorities and nine deliverables (Table 1) to support the attainment of the national vision of Health for all by all, as articulated in the 9th Health Sector Development Plan 2021–2025. It contributes to the country’s goals to achieve universal health coverage, graduate from least developed country status by 2026 and attain SDGs by 2030.
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En 2023, la nouvelle stratégie de Coopération de l’OMS avec le Niger 2023-2027 a été lancée, assortie d’un plan d’investissement. En outre, l’OMS a soutenu plusieurs initiatives majeures du pays, comme le lancement effectif de la Stratégie nationale de la Couverture Sanitaire Universel...le (CSU) 2023-2030, la mise à jour de la Stratégie nationale de financement de la santé, la mise en œuvre de la stratégie Triage, Évaluation et Traitement des Urgences pédiatriques (TETU) dans plusieurs régions. De nombreuses actions ont aussi été menées dans d’autres domaines, comme la riposte apportée à l’épidémie de diphtérie, le soutien continu à la vaccination de routine, l’appui au maintien de la chaine du froid pour les vaccins (menacée par l’interruption de la fourniture d’énergie), etc.
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The pharmacological management of asthma has changed considerably in recent decades, as it has come to be understood that it is a complex, heterogeneous disease with different phenotypes and endotypes. It is now clear that the goal of asthma treatment should be to achieve and maintain control of the... disease, as well as to minimize the risks (of exacerbations, disease instability, accelerated loss of lung function, and adverse treatment effects). That requires an approach that is personalized in terms of the pharmacological treatment, patient education, written action plan, training in correct inhaler use, and review of the inhaler technique at each office visit. A panel of 22 pulmonologists was invited to perform a critical review of recent evidence of pharmacological treatment of asthma and to prepare this set of recommendations, a treatment guide tailored to use in Brazil. The topics or questions related to the most significant changes in concepts, and consequently in the management of asthma in clinical practice, were chosen by a panel of experts. To formulate these recommendations, we asked each expert to perform a critical review of a topic or to respond to a question, on the basis of evidence in the literature. In a second phase, three experts discussed and structured all texts submitted by the others. That was followed by a third phase, in which all of the experts reviewed and discussed each recommendation. These recommendations, which are intended for physicians involved in the treatment of asthma, apply to asthma patients of all ages.
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This document sets out the preparedness and response plan of the Nigerian Primary Health Care System for COVID-19 Acute Respiratory Disease. It outlines the planning scenarios, key areas of work and priority activities required for the Primary Health Care Sector to quickly scale up its core capacity... to prevent, quickly detect, characterize and efficiently respond, in a coordinated manner to the COVID-19 pandemic. These include guidelines for the setup and operationalization of COVID-19 response platforms at the national and state levels, guidelines for the provision of PHC services during the pandemic to minimize transmission in PHCs as well as guidelines for preparedness and response of PHC Centres and communities for COVID-19 case detection and response.
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This report is the first of its kind. It brings together various data sets to present the current status of hand hygiene, highlight lagging progress, and call governments and supporting agencies to action, offering numerous inspiring examples of change.
During the COVID-19 pandemic, hand hygiene ...received unprecedented attention and became a central pillar in national COVID prevention strategies. However, concern with hand hygiene should not only be as temporary public health measure in times of crisis, but as a vital everyday behaviour that contributes to health and economic resilience. Hand hygiene is a highly cost-effective investment, providing outsized health benefits for relatively little cost.
Despite efforts to promote hand hygiene, the rates of access to hand hygiene facilities remain stubbornly low. If current rates of progress continue, by the end of the SDG era in 2030, 1.9 billion people will still lack facilities to wash their hands at home.
This report presents a compelling case for investment in five key ‘accelerators’ as a pathway towards achieving hand hygiene for all – governance, financing, capacity development, data and information, and innovation. These accelerators are identified under the UN-Water SDG 6 Global Acceleration Framework.
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Fully functioning water, sanitation, hygiene (WASH) and health care waste management services are a critical aspect of infection prevention and control (IPC) practices, and ensuring patient safety and quality of care. Such services are also essential for creating an environment that supports the dig...nity and human rights of all care seekers, especially mothers, newborns, children and care providers.
WASH and waste services are also critical for preventing and effectively responding to disease outbreaks. The COVID-19 pandemic has exposed gaps in these basic services (Box 1). These gaps threaten the safety of patients and caregivers, and have environmental consequences, especially as a result of large increases in plastic health care waste. In short, WASH is a critical foundation for improving quality across the health system (1).
Many facilities lack plans and budgets for WASH, which has impacts on IPC. This lack of services, and of systems to improve them, compromises the ability to provide safe and quality care, and places health care providers and those seeking care at substantial risk of infection and loss of dignity. Unhygienic health care facilities without drinking water or functional toilets are also a disincentive to seeking care and undermine staff morale – these factors can have a critical impact on controlling infectious disease outbreaks.
Climate change and its impacts on WASH and health services, gender-specific needs, and equity in service provision and management all require rigorous attention, adaptable tools and regular monitoring.
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