Figure 3From: 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. Gram-positive cocci are scattered within the alveolar lumina and also engulfed by alveolar macrophages. Gram stain, × 400.Back to article page