One of the most treacherous of major diseases, trichinosis, is caused by eating underdone pork in which larvae of the hairlike worm Trichinella spiralis dwell. Trichinosis, with its severe intestinal pains and high temperature is rarely diagnosed, more often confused with typhoid or rheumatic fever. Although public health officials have long known that the U. S. has a higher incidence of trichinosis than any other country in the world,* even the efficient Public Health Service did not publish until last year the astounding fact that an estimated 16,000.000 persons in the U. S....
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