JAMA. 1965;193(11):954. doi:10.1001/jama.1965.03090110092023.
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"One of every six Americans is infected with Trichenella spiralis!" This statement, made in most texts and papers dealing with trichinellosis in the United States, was based on the examination of more than 12,000 human diaphragms in studies reported from 1931 to 1944, representative of all sections of the country. But the allegation of such a widespread prevalence of a preventable parasitic disease of man need not have caused a continued sense of guilt on the part of public health workers, veterinarians, and the meat industry.

It is generally not appreciated that so-called meat inspection, even under federal or other official health-authority supervision, provides no mechanism for detection of itrichinellosis in swine by gross examination. It is no surprise that it has been assumed for almost 20 years that trichinosis was still rampant.

In this issue of The Journal (p 871), Most has reviewed the available data dealing with the


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