The virus may evolve in ways that would allow it to spread easily between people, experts said...That would raise the risk level.
The study highlights the risk of viruses jumping across species on crowded farms, with the virus, called H5N1, infecting cows in numerous herds.
The study provides details of a Department of Agriculture investigation that has been mostly opaque until now, frustrating experts outside the government.
#bird-flu-virus #mutation #cross-species-transmission #antiviral-drugs #department-of-agriculture-investigation
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