Definition: A subtype of INFLUENZA A VIRUS comprised of the surface proteins hemagglutinin 3 and neuraminidase 8. The H3N8 subtype has frequently been found in horses.
infection: coordinate IM with INFLUENZA, HUMAN (IM) in humans, or INFLUENZA IN BIRDS (IM) in birds, or ORTHOMYXOVIRIDAE INFECTIONS (IM) in other animals