Information from: R. P. Hanson, Department of Veterinary Science, University of Wisconsin, Madison, Wisconsin 53706, U.S.A., 5 May 1969.

Antigenic group: Vesicular stomatitis.

Original source: Isolated by L. Mott at the National Animal Disease Laboratory from epithelium from snout of adult domestic pig (Suis) on farm in vicinity of Hazelhurst, Jeff Davis County, Georgia, Lat. 31° 50′ N, Long. 82° 35′ W. Epithelium taken 16 May 1952 from pig showing vesicle formation on snout, salivation, and elevated temperature. Habitat: Farm, with pigs running into woodland. Storage: Vesicle epithelium transported on ice to laboratory.

Method of isolation in laboratory: Tissue suspension inoculated in 10-day chick embryo (dose and route not given).

Validity of isolation: Virus reisolated. Original source animal developed homologous neutralizing antibodies.

Properties of virus: Physical: Rod-shaped virion, enveloped, size estimated as 60 × 180 nm by electron microscopy. Member of Rhabdovirus group. Chemical: RNA virus. Resistance to chemicals: Sensitive to ether.