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December 29, 1945

AN EFFECTIVE METHOD FOR THE CONTROL OF TRICHINOSIS IN THE UNITED STATES

Author Affiliations

ELOISE, MICH. INCIDENCE OF TRICHINOSIS IN THE UNITED STATES

From the Departments of Pathology, Wayne County General Hospital, Eloise, Mich., and Wayne University College of Medicine, Detroit.

JAMA. 1945;129(18):1251-1254. doi:10.1001/jama.1945.02860520019005
Abstract

A large number of recent surveys of necropsy material in various localities in the United States has shown an average incidence of 16 per cent of trichinous infection.1 When the methods of study were more thorough, an incidence as high as 36 per cent has been found.2 The amazingly high frequency of parasitism with Trichinella spiralis revealed by these surveys caused Hall3 to emphasize that "the United States has the greatest problem of trichinosis of any country in the world."

It is now generally recognized that man acquires trichinosis primarily from, eating trichinous pork and that the hog becomes infected primarily from eating scraps of uncooked trichinous pork present in garbage. The average incidence of trichinosis among hogs in the United States during the past fifty years has remained practically unchanged at a level of approximately 1.5 per cent. During 1944, 96,849,000 hogs were slaughtered in the

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