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Bird flu can have a 50% fatality rate, but has not spread widely to humans Since January 2022 in the U.S., the H5N1 virus has killed over 90 million birds across 48 states.
The threat of avian flu has dominated public health discourse as cases become increasingly more widespread and severe. H5N1, a highly pathogenic strain, was present in several continents as early ...
Human cases of bird flu are now in six states (REUTERS/Tom Polansek/File Photo) The total number of human cases across the US has risen to 31, although the Centers for Disease Control and ...
On July 31, a study found 2 farmworkers who had not been tested for bird flu had antibodies against it. [89] On August 9, the Colorado Department of Public Health reported bird flu in domestic cats, including indoor-only cats. [90] In late August, H5N1 had spread to dairy cow herds in California. [91]
US influenza statistics by flu season. From the Centers for Disease Control and Prevention page called "Disease Burden of Flu": "Each year CDC estimates the burden of influenza in the U.S. CDC uses modeling to estimate the number of flu illnesses, medical visits, hospitalizations, and deaths related to flu that occurred in a given season.
In 2015, an outbreak of avian influenza subtype H5N2 was identified in a series of chicken and turkey farming operations in the Midwestern United States. By May 30, more than 43 million birds in 15 states had been destroyed as a result of the outbreak, including nearly 30 million in Iowa alone, the nation's largest egg producer. In the ...
The concerning bird flu outbreak that has spread to four humans so far as it expands quickly in the U.S. has jumped to dozens of species, infecting mammals in at least 31 states.
Government agencies have been monitoring the latest bird flu outbreaks since Jan. 12, 2022, when a Northern Shoveler duck in Hyde County, North Carolina, tested positive for a Eurasian strain of H5N1.