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Bird flu is called that because it was first seen in wild birds in the late 1990s, and is apparently spread as these birds migrate. Just in the first 17 days of this year, 21 states reported bird ...
H5N1 bird flu samples collected from a severely ill patient in Louisiana show signs of mutations that may make the ... a vaccine and infectious disease expert at Children’s Hospital of ...
Avian influenza, also known as avian flu or bird flu, is a disease caused by the influenza A virus, which primarily affects birds but can sometimes affect mammals including humans. [1] Wild aquatic birds are the primary host of the influenza A virus, which is enzootic (continually present) in many bird populations.
On November 7, the CDC reported asymptomatic bird flu infection in 4 workers at dairy farms. The workers didn't recall ever being sick but had antibodies showing that they had been infected with bird flu. [98] On November 22, the CDC confirmed the first case of bird flu in a U.S. child, being the 55th case of bird flu in humans in the U.S.
New bird flu variant found in cattle: Can H5N1 be transmitted to humans? ... Influenza vaccination rates in children are at their lowest level in six years, according to the CDC. In 2025, fewer ...
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.
After months of more mild cases, the bird flu appears to be ramping up: The U.S. just saw its first death from the virus, and cases have been found in birds across all 50 states, according to the ...
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 ...