Figure 2From: Haemorrhagic pneumonia in sled dogs caused by Streptococcus equi subsp. zooepidemicus - one fatality and two full recoveries: a case reportHistological section of the lung, Case 1. There is severe congestion and presence of inflammatory cells, erythrocytes and macrophages, which have engulfed red blood cells within the alveoli. HE stain, × 400.Back to article page