#equine_influenza
Equine influenza
Influenza caused by viruses adapted to horses
Equine influenza is the disease caused by strains of influenza A that are enzootic in horse species. Equine influenza occurs globally, previously caused by two main strains of virus: equine-1 (H7N7) and equine-2 (H3N8). The World Organisation for Animal Health now considers H7N7 strains likely to be extinct since these strains have not been isolated for over 20 years. Predominant international circulating H3N8 strains are Florida sublineage of the American lineage; clade 1 predominates in the Americas and clade 2 in Europe.. The disease has a nearly 100% infection rate in an unvaccinated horse population with no prior exposure to the virus.
Fri 21st
Provided by Wikipedia
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