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Rhodococcus equi pulmonary infection, foal
rhodococcus-equi-pulmonary-infection-foal-ribeiro-sized
Rhodococcus equi pulmonary infection, foal

    Cocci or rodlike pleomorphic intracellular gram-positive organisms, compatible with R equi pulmonary infection, in an alveolar macrophage (arrow) of a foal (Gram stain; 1,000X).

Courtesy of Dr. Márcio Garcia Ribeiro.