BRUCELLA MELITENSIS ISOLATED FROM SWINE TISSUES IN IOWA

Abstract

<h3>To the Editor.—</h3> Since publication of the article entitled "Occurrence of Brucella Melitensis in Iowa" in the January 12 issue ofThe Journal, page 72, investigation of a case of brucellosis caused by Brucella melitensis and of the suspected source of infection has led to the isolation of Brucella melitensis from tissues of hogs in Iowa. W. N., a man aged 32, a farmer living in Humboldt County, Iowa, had onset of illness due to brucellosis in September 1945. On September 17 Brucella melitensis was isolated from the blood clot of the specimen, which the attending physician forwarded to the State Hygienic Laboratory for the agglutination test. The patient gave the history of direct contact with cows and hogs but not with sheep or goats. Through the Bureau of Animal Industry and State Department of Agriculture a veterinarian was authorized to secure blood specimens from cows and hogs. Cows numbering