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. 2020 Aug 22;9(9):688. doi: 10.3390/pathogens9090688

Figure 4.

Figure 4

Guideline of macroscopic figures to evaluate the main pathological findings during the external examination and autopsy of wild boar infected with a highly virulent strain of African swine fever virus genotype II, Armenia 2007. (a) Tonsil: Score 1—erythematous; score 2—swelling and erythematous with fibrin on the surface; score 3—swelling and erythematous with fibrin/pus and multifocal necrosis on the surface. (b) Lymph node: Score 1—moderate color changes with occasional petechiae; score 2—petechiae and ecchymosis; score 3—increased size, edematous and hemorrhagic. Generalized lymphadenomegaly. (c) Stomach: Score 1—acute catarrhal gastritis; score 2—acute catarrhal gastritis with numerous petechiae/ecchymosis on the surface; score 3—hemorrhagic gastritis (more than 50% affected) with occasionally erosive lesions. (d) Intestine: Score 1—acute catarrhal enteritis with some petechiae on serosa surface; score 2—acute catarrhal enteritis with numerous petechiae/ecchymosis on serosa surface; score 3—hemorrhagic enteritis. I Pancreas: Score 1—multifocal hemorrhages on the surface; score 2—focal necrosis; score 3—extensive necrosis.