[Influenza virus A/Anas acute/Maritime Territory/730/76(H3N2) isolated from wild ducks in the Maritime Territory]

A strain A/Anas acuta/Primorie/730/76 was isolated in the autumn of 1976 from wild pintails in the Primorskiy kray, USSR, and found by the H1 and neuraminidase activity inhibition test to be antigenically related to the reference A/Hong Kong/1/68 strain. The CFT showed the A/Anas acuta/Primorie/730/76 strain to contain in its hemagglutinin 3 antigenic determinants: two common with the A/Hong Kong/1/68 strain and one the strain-specific, lacking in the human influenza viruses of the H3N2 antigenic formula.