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The US CDC continues to report "widespread" occurrence in wild birds, "sporadic outbreaks" in poultry flocks, and "sporadic infections" in mammals as of March 2024. [55] As of March 8, 2024, the United States Department of Agriculture's (USDA) Animal and Plant Health Inspection Service (APHIS) had recorded around 20 mammal species confirmed as ...
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Influenza epidemics in modern times have the tendency to start in the eastern or southern hemisphere, [68] with Asia being a key reservoir. [13] Influenza A virus and influenza B virus co-circulate, so have the same patterns of transmission. [1] The seasonality of influenza C virus, however, is poorly understood.
2023–2024 Brazil Oropouche fever: 2 [325] [326] [327] 2024 American dengue epidemic: 2024–present: Latin America and the Caribbean: Dengue virus: 7,700 [328] 2024 Kwango province malaria outbreak: 2024–present: Democratic Republic of the Congo: Malaria: 143 [329] HMPV outbreak in East Asia: 2024–present: East Asia: Human metapneumovirus ...
The following is a list of WHO recommended strains for the Northern Hemisphere influenza season. Starting in the 2012–2013 season, the recommendation shifted to include the composition of a quadrivalent influenza vaccine (QIV) that contains both influenza B lineages, alongside a trivalent influenza vaccine (TIV) containing one influenza B lineage.
Symptoms include shortness of breath, weakness, fever, coughing and fatigue. [3] A routine chest X-ray is not always necessary for people who have symptoms of a lower respiratory tract infection. [4] Influenza affects both the upper and lower respiratory tracts. [citation needed]
The Global Influenza Surveillance and Response System (GISRS) is a global network of laboratories that has the purpose to monitor the spread of influenza with the aim to provide the World Health Organization with influenza control information. [1] It was established in 1952 to conduct global influenza surveillance and to inform vaccine ...
The influenza vaccine is indicated for active immunization for the prevention of influenza disease caused by influenza virus subtypes A and type B contained in the vaccine. [ 74 ] [ 75 ] [ 76 ] The US Centers for Disease Control and Prevention (CDC) recommends the flu vaccine as the best way to protect people against the flu and prevent its ...