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The H5 hemagglutinin (HA) is found in influenza viruses that typically infect avian species, so efficient person-to-person spread could happen if the H5N1 virus reassorts, or exchanges genes, with circulating human influenza viruses giving rise to a virus with the H5 HA (to which the population is not immune) in a gene constellation that ...
60 people in the US have contracted bird flu amid outbreaks in poultry and dairy cows. What are the symptoms? What to know about highly pathogenic avian influenza, aka, H5N1.
Bird flu has claimed its first human death in the US. A Louisiana patient died from a severe case of the H5N1 avian influenza , state health officials reported on Monday.
In the U.S., two people have been known to be infected with avian influenza: one person in 2022, and another earlier this year.
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.
The current avian influenza outbreak led to the infection of 66 people in 10 states in 2024, CDC records show. ... One person has died, the Louisiana Department of Health confirmed Jan. 6. The ...
The spread of avian influenza in the eastern hemisphere. According to the United Nations FAO, wild water fowl likely plays a role in the avian influenza cycle and could be the initial source for AI viruses, which may be passed on through contact with resident water fowl or domestic poultry, particularly domestic ducks. A newly mutated virus ...
One person tested negative for influenza A, which includes bird flu. The other two weren’t clinically tested because they passed the 10-day follow-up period when those test results could be ...