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Classical Swine Fever

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Classic swine fever
Scientific Name:

Family Flaviviridae, genus Pestivirus (Paton et al. 2000)

Common Name:
Classical swine fever (CSF), hog cholera
Classic swine fever, ARS discoveries are providing vital information to help fight this economically devastating disease, which affects cattle and other cloven-hoofed animals. Photo by Regis Lefebure; USDA, ARS, Image Gallery
Native To:

Origin unknown; may be native to the U.S. (ARS 1978)

Date of U.S. Introduction:

Reported in Ohio in 1833. Eradicated in the U.S. in 1978 (APHIS 2008)

Means of Introduction:

The virus is most often transmitted through the ingestion of contaminated feed or garbage. (APHIS 2008)


Highly contagious, viral disease of pigs that is usually fatal. The disease is still present in many countries, so there is a risk that it could become established in this country once again. While classical swine fever does not cause foodborne illness in people, economic losses to pork producers would be severe if the disease were to become established again in this country. (APHIS 2008)

Current U.S. Distribution:
Not currently established

Selected Resources

The section below contains highly relevant resources for this species, organized by source. Or, to display all related content view all resources for Classical Swine Fever.

Federal Government


Iowa State University. Center for Food Security and Public Health.