Avian Influenza A(H5N1) – Cambodia

WHO On 20 August 2024, the World Health Organization (WHO) was notified by the country’s International Health Regulations (IHR) National Focal Point (NFP) of a laboratory-confirmed case of human infection with avian influenza A(H5N1) virus (clade 2.3.2.1c) in a 15-year-old child in the Kingdom of Cambodia. This case is one of 10 human cases of influenza A(H5N1) infection reported in Cambodia in 2024. From 2003 to the present, 72 cases of human infection with influenza A(H5N1), including 43 deaths (case fatality ratio [CFR] of 59.7%), have been reported in the country. According to the IHR (2005), a human infection caused by a novel influenza A virus subtype is an event that has the potential for high public health impact and must be notified to the WHO. Based on currently available information, WHO assesses the current risk to the general population posed by this virus as low.
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