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In September, Egypt and Sudan joined the list of nations seeing a resurgence of bird deaths due to H5N1. [citation needed] In November and December, South Korea and Vietnam joined the list of nations seeing a resurgence of bird deaths due to H5N1; February/March 2006 - A dead cat infected with the H5N1 bird flu virus was found in Germany. [26]
H5N1 influenza virus is a type of influenza A virus which mostly infects birds. H5N1 flu is a concern because its global spread may constitute a pandemic threat. The yardstick for human mortality from H5N1 is the case-fatality rate (CFR); the ratio of the number of confirmed human deaths resulting from infection of H5N1 to the number of those confirmed cases of infection with the virus.
[26] [27] [28] Further sequencing determined that at least one of the two cases was from an older H5N1 clade, 2.3.2.1c, which had circulated as a common H5N1 strain in Cambodia for many years, rather than the more recent clade 2.3.4.4b, which had caused mass poultry deaths since 2020. This older clade had jumped to humans in the past yet hadn't ...
Between 2003 and December 2024, the World Health Organization has recorded 963 cases of confirmed H5N1 influenza, leading to 465 deaths. [48] The true fatality rate may be lower because some cases with mild symptoms may not have been identified as H5N1.
GENEVA (Reuters) -There is a risk that the H5N1 bird flu virus, present in many wild birds, may infect cows in countries beyond the United States as they migrate, a World Health Organization ...
Earlier this year, a Louisiana resident died after being hospitalized with bird flu, marking the first U.S. death from the H5N1 virus. Since 2003, the World Health Organization has counted more ...
Most human cases of bird flu in North America have been mild, a fact that’s underscored by a new study of the first 46 confirmed human H5N1 infections in the United States this year. But the ...
Between 2003 and December 2024, the World Health Organization has recorded 963 cases of confirmed H5N1 influenza, leading to 465 deaths. [9] The true fatality rate may be lower because some cases with mild symptoms may not have been identified as H5N1. [10] A/H5N1 influenza virus was first identified in farmed birds in southern China in 1996. [11]