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Bird flu is a scary illness with a high mortality rate. But so far, infections in the U.S. have been relatively mild—until now. A patient in Louisiana has been hospitalized with a severe case of ...
Highly pathogenic H5N1 avian influenza in a human appears to be far worse, killing over 50% of humans reported infected with the virus, although it is unknown how many cases (with milder symptoms) go unreported. In one case, a boy with H5N1 experienced diarrhea followed rapidly by a coma without developing respiratory or flu-like symptoms. [41]
A/H5N1 virus can also infect mammals (including humans) that have been exposed to infected birds; in these cases, symptoms are frequently severe or fatal. [2] A/H5N1 virus is shed in the saliva, mucus, and feces of infected birds; other infected animals may shed bird flu viruses in respiratory secretions and other body fluids (such as milk). [3]
The serotypes that have been confirmed in humans, ordered by the number of confirmed human deaths, are: H1N1 caused "Spanish flu" in 1918 and "Swine flu" in 2009. [36] H2N2 caused "Asian Flu". H3N2 caused "Hong Kong Flu". H5N1, "avian" or "bird flu". [37] H7N7 has unusual zoonotic potential. [38] H1N2 infects pigs and humans. [39] H9N2, H7N2 ...
The other human case of H5N1 in the U.S. in 2022 was a mild infection as well, Babcock adds. Symptoms of bird flu in humans. According to the CDC and experts, ...
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.
Health experts are concerned that the coexistence of human flu viruses and avian flu viruses (especially H5N1) will provide an opportunity for genetic material to be exchanged between species-specific viruses, possibly creating a new virulent influenza strain that is easily transmissible and lethal to humans. [73] Influenza A/H5N1 was first ...
(Reuters) -The U.S. Centers for Disease Control and Prevention on Friday confirmed the country's first case of H5N1 bird flu infection in a child, who experienced mild symptoms and is recovering ...