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
countries across all six WHO Regions and was rapidly re...placing 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).
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28 Dec 2020. The main objective of these guidelines is to provide tools for staff working in the field of immunization to support effective communication between health personnel and the general population, with the aim of strengthening, maintaining or recovering trust in vaccines and the immunizati...on programs in the Region of the Americas.
Available in English, Spanish and Portuguese
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This document aims to describe a minimum set of surveillance activities recommended at the national level to detect and monitor the relative prevalence of SARS-CoV-2 variants and outline a set of activities for the characterization and assessment of risk posed by these variants. A set of indicators ...is also provided to standardize monitoring and public reporting of variant circulation.
The document is primarily intended for national and sub-national public health authorities and partners who support implementation of surveillance for SARS-CoV-2 variants
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This report - the largest of its kind to date - draws on the experiences of over 8,500 women and 300 health professionals across eight countries. It exposes the aggressive marketing practices used by the formula milk industry, and highlights impacts on families’ decisions about how to feed their b...abies and young children.
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This report presents a framework to link science, policy and practice for a comprehensive assessment of climate mitigation and adaptation investments and their impact on human health.The framework proposes to use weather and climate data to forecast health impacts over time, as well as biophysical a...nd economic models to quantify the outcomes of investments in climate change adaptation and mitigation for relevant sectoral indicators and health co-benefits. It provides guidance on the economic valuation of health co-benefits of climate action, for inclusion in sector-specific cost–benefit analysis (CBA), including the spatial allocation of such costs and benefits.
The framework developed and presented in this study is comprehensive, and provides various entry points for different audiences, including decision-makers in the public and private sectors, researchers and scientists, working in the health sector as well as in other thematic areas and related sectors affected by climate action.
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Diets are changing everywhere, and the burden of disease associated with unhealthy diets is a worldwide concern. Measurement and monitoring of diets across countries and population groups is critical. However, there are no harmonized metrics for tracking how the healthfulness of diets around the wor...ld is evolving.
This report assesses the validity, usefulness and fitness for purpose of existing healthy diet metrics as global and national monitoring indicators, presents a comparative assessment of selected healthy diet metrics and discusses priorities and opportunities to improve diet monitoring. This report is an important first step of the Healthy Diets Monitoring Initiative to respond to the need for developing healthy diets metrics for assessing and monitoring diets at national and global level.
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At the global, national, and regional levels, there are several guidelines and guides regarding the preparedness, prevention, surveillance, and control of diseases caused by respiratory viruses; most initiatives focus on specific virus events or cases. During the coronavirus disease 2019 (COVID-19) ...pandemic, it has been found that even when there are strategies designed and planned for pandemics, it is necessary to strengthen and improve them. Planning for imminent threats, including those posed by respiratory viruses, contributes to strengthening the core capacities of the International Health Regulations (IHR [2005])
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special education, culture, psychology, education, policy
Third Stocktaking Report, 2008
Unite for Children, Unite against AIDS
This document compiles the recommendations made by the World Health Organization (WHO) and the Pan American Health Organization (PAHO) to help professionals in charge of vector control programs in Latin America and the Caribbean at the national, subnational, and local level update their knowledge in... order to make evidence-based decisions on the most appropriate control measures for each specific situation. IVM can be used for surveillance and control or for elimination of VBDs and can help reduce the development of insecticide resistance through the rational use of these products. This document provides instructions for fulfillment of the 2008 PAHO mandate set forth in CD 48/13 (Integrated Vector Management).
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Health Evidence Network Synthesis Report, No. 47
The increasing number of refugees, asylum seekers and irregular migrants poses a challenge for mental health services in Europe. This review found that these groups are exposed to risk factors for mental disorders before, during and after migration. ...The prevalence rates of psychotic, mood and substance use disorders in these groups are variable but overall are similar to those in the host populations; however, the rates of post-traumatic stress disorder in refugees and asylum seekers are higher.
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This research paper uses the Health Resources and services Availability Mapping System (HeRAMS) database to develop two composite indices – one for health centres and one for hospitals – in order to analyse and assess the health facilities’ performance across time and to evaluate the di...sparities among regions in the Syrian Arab Republic. The indices will provide an evidence-based tool for the main actors in the health sector to identify gaps, to intervene accordingly and to assess the impact of their interventions on the health system. The process of constructing the indices includes description and selection of variables, application of normalization techniques and weighting methods, and sensitivity analysis.
A literature review, analysis of the scope of the HeRAMS database, analysis of the crisis situation, data limitation and expert consultations were the main aspects of the construction process of the indices.
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The ICOPE Implementation Framework provides a score card to help assess the overall capacity of health and social care services and systems to deliver integrated care in community settings and support the development of ICOPE implementation action plans. There are 19 actions needed to implement ICOP...E on the services level (meso) and systems level (macro). The scoring process provides an evidence-based means of highlighting areas for improvement as well as establishing concrete measures of future improvements
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International Journal of Infectious Diseases 32 (2015) 170–178
http://dx.doi.org/10.1016/j.ijid.2014.11.023
1201-9712/ß 2014 The Authors. Published by Elsevier Ltd on behalf of International Society for Infectious Diseases. This is an open access article under the CC BY-NC-ND license (http:...//creativecommons.org/licenses/by-nc-nd/3.0/).
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The Strategic Tool for Assessing Risks (STAR) offers a comprehensive, easy-to-use toolkit and approach to enable national and subnational governments to rapidly conduct a strategic and evidence-based assessment of public health risks for planning and prioritization of health emergency preparedness a...nd disaster risk management activities. This guidance describes the principles and methodology of STAR to enhance its adaptation and use at the national or subnational levels.
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Mental disorders are one of the top public health challenges in the WHO European Region, affecting about 25% of the population every year. In all countries, mental health problems are much more prevalent among the people who are most deprived. The WHO European Region therefore faces diverse challeng...es affecting both the mental well-being of the population and the provision and quality of care for people with mental health problems.
The European Mental Health Action Plan focuses on seven interlinked objectives and proposes effective action to strengthen mental health and well-being. Investing in mental health is essential for the sustainability of health and socioeconomic policies in the European Region. The Action Plan corresponds to the four priority areas of the European policy framework for health and wellbeing, Health 2020, and will contribute directly to its implementation.
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