AFRICAN SWINE FEVER - PATHOGENICITY AND IMMUNOGENICITY OF 2 NON-HEMADSORBING VIRUSES

  • 1 January 1979
    • journal article
    • research article
    • Vol. 46  (3) , 149-154
Abstract
The virulence of 2 non-hemadsorbing African swine fever virus isolates were compared with 2 hemadsorbing viruses. While 3 of these isolates usually produced acute death in pigs, 1 non-hemadsorbing virus caused a fatal infection with an extended course, or few or no obvious signs of infection. Pigs that survived infection with the latter virus were resistant to the lethal effects of the other 3 strains and to a pool of 7 isolates made from Ornithodorus porcinus porcinus and warthog obtained in the Northern Transvaal.

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