A recent outbreak of H5N1 avian influenza in Hawaii has prompted health officials to advise residents who attended a local pet fair to monitor for symptoms, as the infected ducks showed no signs of illness during the event.
Investigators suspect migrating wild birds are the source of the infection in Hawaii's first reported case, which is significant as the state had no outbreaks prior to this.
The U.S. Department of Agriculture has confirmed the specific genotype of the virus involved in this outbreak as A3, suggesting a spillover event, differing from the ongoing B3.13 strain impacting other regions.
Despite the confirmed cases in birds, officials emphasize that the risk of H5N1 transmission to humans remains low as the infected flock did not show symptoms during the pet fair.
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