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Table 1 Characteristics of the four manifestations of an infection with the African swine fever virus

From: African and classical swine fever: similarities, differences and epidemiological consequences

  Peracute form Acute form Subacute form Chronic form
Virulence High High/moderate Moderate Low
Clinical signs High fever, appetite loss, lethargy, hyperpnoe High fever, appetite loss, lethargy, gastro-intestinal signs See acute form but less pronounced Respiratory signs, lameness
Pathology Erythema Erythema, petechial haemorrhages in several organs, lung oedema, abortion Erythema, petechial haemorrhages in several organs, haemorrhagic lymph nodes, abortion Arthritis, necrotic skin, pneumonia, pericarditis, abortion
Mortality High High Variable Low
  1. Partly adapted from Sanchez-Vizcaino et al. [20]