De acuerdo al informe de ONUSIDA sobre la Epidemia Mundial de sida 2008, se
estima que en el año 2007, 370.000 niños menores de 15 años se infectaron con el
VIH. A nivel mundial, el número de niños menores de 15 años que viven con el VIH
aumentó de 1,6 millones en 2001 a 2 millones en 2...007.
Los efectos de la epidemia entre los niños pequeños son graves y de largo alcance. El sida amenaza con causar un retroceso en los años de progreso constante y en la supervivencia de los niños; ha duplicado la mortalidad infantil en los países más afectados por esta epidemia.
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Las personas infectadas por el virus de la inmunodeficiencia humana (VIH) tienen
29 veces más probabilidades de enfermar de tuberculosis (TB) que las personas
sin VIH que viven en el mismo país. La TB es una de las principales causas de muerte entre las personas infectadas por el VIH: provoca ...la quinta parte de las muertes de personas con VIH en todo el mundo. En 2013, una de cada cuatro muertes por TB en todo el mundo estuvo relacionada con el VIH. Desde 2004, la Organización Mundial de la Salud (OMS) recomienda el conjunto de intervenciones denominadas «actividades de colaboración TB/VIH». Se han realizado avances significativos en la aplicación a nivel mundial de este conjunto de intervenciones, que permitieron salvar aproximadamente 1,3 millones de vidas entre 2005 y 2011.
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Quarta Edição.
Esta quarta edição do manual se baseia no esquema de avaliação de risco apresentado na terceira edição. Uma avaliação completa, baseada em evidências e transparente dos riscos permite que as medidas de segurança sejam equilibradas com o risco real de trabalhar com agentes... biológicos, caso a caso. Isso permitirá que os países implementem políticas e práticas de biossegurança e biosseguridade laboratoriais economicamente viáveis e sustentáveis que sejam relevantes para suas circunstâncias e prioridades individuais.A necessidade de atualizar as diretrizes de biossegurança de laboratórios internacionais faz parte de uma iniciativa mais ampla para globalizar a biossegurança e enfatizar os princípios e as abordagens que são acessíveis a países que tenham ampla gama de recursos financeiros, técnicos e regulatórios
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While COVID-19 virus continues to circulate and evolve, new variants are constantly emerging. Most of the current COVID-19 cases are driven by the circulation of the BA.5 subvariant of Omicron. The COVID-19 vaccines are being updated with Omicron variants to provide broader immunity against circulat...ing and emerging variants.
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Update, 23 de junio de 2022
This document is a guide defining requirements for quality and safety for malaria rapid diagnostic testing services to safeguard the quality of the results, the safety of the operators and patients and that of the environment for use by national malaria control programmes, regulators, implementers a...nd rapid diagnostic providers.
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The WHO BioHub Biosafety & Biosecurity: criteria and operational modalities sets out the requirements to which laboratories wishing to receive biological materials as part of this international exchange system should abide, to ensure safe and secure operations. These provisions are in accordance wit...h the recommendations of the WHO Laboratory Biosafety Manual 4th edition (LBM4), adopting an evidence- and risk-based approach to enable scalable and adaptable biosafety provisions and actions, proportionate to the assessed risk
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These guidelines deal specifically with water, sanitation and hygiene, and are designed to be used in schools in low-cost settings in low- and medium-resource countries to:
• assess prevailing situations and plan for required improvements;
• develop and reach essential safety standards as a f...irst goal; and
• support the development and application of national policies.
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Segunda edición (revisada). Este manual tiene dos objetivos: en primer lugar, promover la gestión apropiada y digna de los cadavers y, en segundo lugar, facilitar su identificación. Luego de muchos desastres, en particular los de mayor magnitud, la recuperación y la gestión inmediata de los cad...áveres es llevada a cabo por las autoridades, las organizaciones, las comunidades, los residentes y los voluntarios locales.
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UNICEF Syria’s series of think pieces. Every day counts. An outlook on child protection for the most vulnerable children in Syria.To navigate the complex and continuously changing context and attain sustainable results for children, UNICEF – along with other UN agencies - seeks to make a shift i...n its programming towards early recovery while maintaining the delivery of humanitarian assistance based on needs on the ground. This will help strengthen the linkages between the needs-based emergency response and essential service restoration, socioeconomic resilience, and social cohesion.
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The WHO Global Tuberculosis Report 2022 provides a comprehensive and up-to-date assessment of the TB epidemic, and of progress in prevention, diagnosis and treatment of the disease, at global, regional and country levels. This is done in the context of global TB commitments, strategies and targets.
...
The 2022 edition of the report is as usual, based primarily on data gathered by WHO from national ministries of health in annual rounds of data collection. In 2022, 202 countries and territories with more than 99% of the world’s population and TB cases reported data
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The brief concludes that sustaining the continuity of EHS requires policies that ensure a whole-society and systems strengthening approach. This involves increased health care investment, community engagement, disease control regulations, and multisector approaches to improve resilience, EHS quality..., and equity.
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L’ulcère de Buruli, une infection causée par Mycobacterium ulcerans, touche plus de 33 pays dans le monde, mais un peu moins de la moitié seulement de ces pays communiquent régulièrement des données sur la maladie à l’OMS. La plupart des cas notifiés se trouvent dans les sous-régions d...Afrique occi-
dentale et centrale. Le mode de transmission de l’ulcère de Buruli n’est pas connu. Environ la moitié des personnes touchées sont des enfants de moins de 15 ans et les deux sexes sont concernés à parts égales.
Le diagnostic repose principalement sur l’observation des caractéristiques cliniques et épidémiologiques.
Parmi les quatre méthodes de confirmation utilisées (examen microscopique, amplification en chaîne par polymérase (PCR), histopathologie et mise en culture), la PCR est la plus rapide et la plus courament employée. D’autres méthodes rapides, comme l’utilisation de la chromatographie sur couche mince par fluorescence pour détecter la mycolactone dans les lésions des cas suspects d’ulcère de Buruli, sont actuellement à l’étude dans quatre pays d’Afrique. Des travaux de recherche sont en cours pour mettre au
point des tests utilisables sur le lieu des soins. Le traitement de l’ulcère de Buruli consiste à administrer une association d’antibiotiques (rifampicine et clarithromycine) pendant 8 semaines. Des traitements complémentaires, comme le soin des plaies, les greffes cutanées et la prévention des incapacités, sont nécessaires dans certains cas pour parvenir à une guérison complète.
La cible fixée par l’Organisation mondiale de la Santé (OMS) exigée des pays pour assurer la lutte contre l’ulcère de Buruli est la confirmation d’au moins 70 % des cas par PCR pour chaque pays. Tous les pays d’endémie disposent d’au moins un établissement doté des moyens nécessaires pour effectuer les tests de PCR pour la confirmation des cas. Cependant, la plupart des pays de la Région africaine n’ont pas réussi à atteindre la cible fixée. Un déclin du taux de confirmation a même été observé.
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Au total, 18 laboratoires de 13 pays ont participé aux quatre cycles d'AQE : 10 laboratoires de huit pays africains endémiques, dont quatre ont participé aux quatre cycles et trois à trois cycles. Les résultats globaux ont montré que la performance médiane de ces laboratoires s'est amélioré...e au cours des quatre cycles. Cependant, la proportion de laboratoires rapportant des cas faussement positifs reste élevée et indique un problème de spécificité probablement dû à une contamination. La proportion de laboratoires rapportant à la fois des résultats faussement positifs et faussement négatifs soulève la question de la qualité des données rapportées par l'OMS en Afrique ainsi que des résultats des études menées dans ces différents laboratoires dans divers pays.
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The Pandemic Influenza Preparedness (PIP) Framework is a World Health Assembly resolution adopted unanimously by all Member States in 2011. It brings together Member States, industry, other stakeholders and WHO to implement a global approach to pandemic influenza preparedness and response. The Frame...work includes a benefit-sharing mechanism called the Partnership Contribution (PC). The PC is collected as an annual cash contribution from influenza vaccine, diagnostic, and pharmaceutical manufacturers that use the WHO Global Influenza Surveillance and Response System (GISRS). Funds are allocated for: (a) pandemic preparedness capacity building; (b) response activities during the time of an influenza pandemic; and (c) PIP Secretariat for the management and implementation of the Framework.
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Responding to Outbreaks of Antimicrobial-resistant Pathogens in Health-care Facilities: Guidance for the Western Pacific Region is developed following requests from Member States in the Western Pacific Region for additional information and support in managing AMR outbreaks. It aims to provide: a ste...p-by-step guide for health-care facilities to respond to AMR outbreaks; a practical resource for health-care workers to support AMR outbreak response in low- and middle-income countries; and practical guidance to implement effective AMR outbreak response policies and procedures in clinical settings.
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Three classess of tests are now recommended in the latest consolidated guideles on tests for tuberculosis infection. It includes for the first-time a new class of Mycobacterium tuberculosis antigen-based skin tests (TBSTs), and the two existing classes of tests: the tuberculin skin test (TST) and t...he interferon-gamma release assays (IGRAs).
IGRAs and TBSTs use Mycobacterium tuberculosis complex specific antigens and represent a significant advancement to TST which has been used for over half a century.
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The World Health Organization (WHO) convened a meeting of the Technical Advisory Group on Buruli ulcer at its headquarters in Geneva, Switzerland on 25 to 27 March 2019