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African Swine Fever
It is also called as Warthog Fever, highly contagious and usually fatal viral disease of swine that is characterized by high fever, lesions, leukopenia (abnormally low count of white blood cells), elevated pulse and respiration rate, and death within four to seven days after the onset of fever.
The virus responsible for African swine fever is classified as an iridovirus. It is physically, chemically, and antigenically distinct from the togavirus that causes hog cholera (swine fever). African swine fever virus can survive heat, putrefaction, smoking, partial cooking, and dryness and lives up to six months in chilled carcasses. The incubation period is from 5 to 15 days.
African swine fever is difficult to distinguish from acute classical hog cholera. Both diseases produce high fevers that last for about four or five days. Once the fever has subsided, however, African swine fever virus characteristically causes death within two days (as opposed to seven days for hog cholera). Although immunization has been effective in the prevention of hog cholera, no immunization measures have been shown to be effective in the prevention of African swine fever, nor is there any effective treatment of the disease. The prohibition of pigs and pig products from countries in which the disease exists has prevented its further spread.
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