Investigation of the First African Swine Fever Outbreak in a Domestic Pig Farm in Hong Kong

Figure 2

Clinical signs and gross lesions of pigs suspected of ASFV infection. On Day 7, (a) pigs with diffuse reddening of pinnae and (b) a dead pig with purplish-blue discoloration on the tips of the pinnae were found in Building #11. On Day 13, (c) a recumbent pig with diffuse reddening of pinnae and (d) conjunctivitis was found in Building #12. Gross lesions, including (e) mild splenomegaly (round edges of the spleen) with congestion and (f) mesenteric lymph node enlargement and hemorrhages, are shown.