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No images? Click here  Thursday, 17 April 2025 NOTE TO JOURNALISTS New resources on influenza A(H5) virus events Updated joint FAO/WHO/WOAH public health assessment of recent influenza A(H5) virus events in animals and people The World Health Organization WHO), the Food and Agriculture Organization (FAO) and the World Organisation for Animal Health (WOAH) released today, 17 April an updated joint public health assessment of recent influenza A(H5) virus events in animals and people. The joint assessment is based on data as of 1 March 2025. At the present time, based on available information, FAO-WHO-WOAH assess the global public health risk of influenza A(H5) viruses to be low, while the risk of infection for occupationally exposed persons is low to moderate depending on the risk mitigation measures in place and the local avian influenza epidemiological situation. Transmission between animals continues to occur and, to date, a growing yet still limited number of human infections are being reported. Although additional human infections associated with exposure to infected animals or contaminated environments are expected to occur, the overall public health impact of such infections at a global level, at the present time, is considered minor. The assessment could change if and when additional epidemiological or virological information becomes available. The full text of the joint assessment can be accessed here: Updated joint FAO/WHO/WOAH public health assessment of recent influenza A(H5) virus events in animals and people A Disease Outbreak News (DON) on Avian Influenza A(H5N1) in Mexico was published today, 17 April. On 2 April 2025, the International Health Regulations (IHR) National Focal Point (NFP) for Mexico notified the World Health Organization (WHO) of the country’s first laboratory-confirmed human infection with an avian influenza A(H5N1) virus in the state of Durango. In response, local and national health authorities have implemented a range of measures to monitor, prevent, and control the situation. There have been reports of A(H5N1) outbreaks in birds in Durango, although the exact source of infection in this case remains under investigation. To date, no further cases of human infection with influenza A(H5N1) linked to this case have been identified. In accordance with the IHR (2005), any human infection caused by a new influenza A virus subtype is considered a potentially significant public health event and is subject to mandatory notification to WHO. Based on the information currently available on this and previous cases, WHO assesses the risk to the general population posed by A(H5N1) viruses as low. For individuals with occupational exposure to these viruses, the risk of infection is considered low to moderate. The situation may change as more information is gathered and so WHO continues to closely monitor these viruses and the global epidemiological situation. The full text of the DON, including WHO risk assessment and advice: Avian Influenza A(H5N1) - Mexico Also see: Avian influenza A(H5N1) virus 
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