Abstract
A 25 year old woman who died from acute poliomyelitis was found at autopsy to have 3 ulceratlve lesions in the mitral valve. Gram negative diploccocal appearing organisms were demonstrated in macrophages in the bases of the lesions and a pure culture of Herrellea vaginicola (Bacterium anitratum, B5W) was isolated from the blood 3 hours after death. The probable portal of entry was a tubo-ovarian abscess. Neither infection was clinically apparent before death. Herrellea infections of the urinary tract are common, but extragenital infections are uncommon. Only 2 other examples of endocarditis caused by this organism have been reported.

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