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Article
December 2, 1911

THE PATHOGENESIS OF THE BALANTIDIUM COLI

Author Affiliations

BALTIMORE

From the Biological Laboratory of the Bureau of Science, Manila, P I.

JAMA. 1911;LVII(23):1814-1817. doi:10.1001/jama.1911.04260120004002
Abstract

During the past decade the Balantidium coli has attracting much attention in respect both to its pathogenicity and to its life history.

In Manila the material for study, both clinical and pathologic, has been comparatively abundant. The literature on the subject has been thoroughly reviewed by previous writers and will not be discussed here.Only those points bearing directly on the pathogenicity of the organism will be considered. During the past three years I have examined many specimens containing the organism, but have been unable to follow many of the cases because the patients complained of no symptoms and could not be detained in the hospital; in all I have been able to study clinically ten cases, three three of which came to autopsy and have been reported elsewhere.1

At present, four cases are under observation, three of which have balantidia in the feces intermittently,the other on, although complaining

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