Developments in Swine Fever Vaccines Swine fever, also known as hog cholera, is a highly contagious viral disease affecting domestic and feral pigs. The disease is characterized by high fever, loss of appetite, weakness and abortion in sows. Mortality rates from classical swine fever can be up to 100% if left untreated. The causative agent is classical swine fever virus (CSFV), a pestivirus in the Flaviviridae family. While...