Epidemiology, Control, and Financing
Weekly epidemiological record/ Relevé épidémiologique hebdomadaire 4 AUGUST 2017, 92th YEAR / 4 AOÛT 2017, 417-436
La fourniture de sang et de produits sanguins sûrs et efficaces pour la transfusion ou la fabrication d’autres produits sanguins fait intervenir un certain nombre de processus, allant de la sélection des donneurs de sang et de la collecte, au traitement et au dépistage des dons de sang ainsi qu...’à l’analyse des échantillons des malades, à la délivrance de sang compatible et à son administration au patient. Il existe un risque d’erreur à chaque étape de la « chaîne de transfusion », et une défaillance à une quelconque de ces étapes peut avoir des conséquences graves pour les receveurs du sang ou des produits sanguins. Si la transfusion sanguine peut sauver des vies, elle comporte aussi des risques, en particulier la transmission des infections par le sang.
Le dépistage des infections transmissibles par transfusion (ITT) en vue d’exclure les dons de sang présentant un risque de transmettre une infection du donneur aux receveurs est une étape critique du processus visant à garantir au mieux la sécurité des transfusions. Un dépistage efficace des agents transmissibles par le sang les plus courants et les plus dangereux peut réduire le risque de transmission à des niveaux très faibles.
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Endorsed by the CCM Georgia on April 15th 2015
Accessed: 26.09.2019
Third Edition: Revised October 2012
The provision of safe and efficacious blood and blood components for transfusion or manufacturing use involves a number of processes, from the selection of blood donors and the collection, processing and testing of blood donations to the testing of patient samples, the issue of compatible blood and ...its administration to the patient. There is a risk of error in each process in this “transfusion chain” and a failure at any of these stages can have serious implications for the recipients of blood and blood products. Thus, while blood transfusion can be life-saving, there are associated risks, particularly the transmission of bloodborne infections.
Screening for transfusion-transmissible infections (TTIs) to exclude blood donations at risk of transmitting infection from donors to recipients is a critical part of the process of ensuring that transfusion is as safe as possible. Effective screening for evidence of the presence of the most common and dangerous TTIs can reduce the risk of transmission to very low levels.
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The evidence base for differentiated care for stable patients has grown in recent years. There has been less attention, however, to developing differentiated models of care for patients with advanced or unstable HIV disease. Current clinical guidelines and policies regarding optimal packages of care... for high-risk patients give few or no recommendations about how, by whom, or where they should be delivered for optimal impact.
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The HIV drug resistance report 2021 summarizes findings from 38 countries that had finalized the surveys by the time of this report and shared data with WHO.
Pretreatment HIVDR to non-nucleoside reverse-transcriptase inhibitors (NNRTI) can affect more than 10% of adults starting therapy and is fo...und up to 3 times more often in people who had previous exposure to antiretroviral drugs. In addition, nearly half of infants newly diagnosed with HIV has HIVDR to NNRTI before initiating treatment.The high levels of observed NNRTI pretreatment HIVDR among emphasize the need to fast-track the transition to WHO-recommended dolutegravir-based ART.
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Los Módulos de autoaprendizaje sobre tuberculosis son una serie de módulos educativos diseñados para proporcionar información sobre la tuberculosis en un formato de autoaprendizaje. El módulo 6 (“Manejo de pacientes con tuberculosis y mejora de la adherencia al tratamiento”) y el módulo 8 ...(“Investigaciones de contactos de tuberculosis”) están disponibles en español. Los módulos 1-9 están disponibles en inglés.
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Sector Environmental Guidelines, Full technical Update
Significant progress has been made in the eradication of three priority diseases in the African Region, as a result of extensive collaboration between the Regional Office, WHO country offices and countries. For example, in August 2020, the region was certified free of wild poliovirus. In the area of... neglected tropical diseases, Guinea worm disease is on the verge of eradication, and 12 member states are within reach of being certified as having eradicated yaws by the end of this year.
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