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To the Editor:—
Dr. Moldow's letter in the July 13 issue of The Journal (185:146) is interesting, and he may well be correct in taking issue with an earlier editorial (JAMA184:56 [April 6] 1963) which stated that one in every six Americans harbors Trichinella spiralis. However, I doubt that he has established the fact that fewer persons now harbor the parasite than did so 20 years ago because he found only five of 100 diaphragms examined by the microscope in Pittsburgh to be infected. I do think it quite likely that there has been a fall in incidence, but it is not due, as he suggests, to the use of grain or cooked garbage in feeding hogs and the thorough cooking of pork products by a better informed public.I think the chief reduction, if it does exist, is due to the now common use of the
Magath TB. Decreased Prevalence of Trichinosis. JAMA. 1963;185(12):983. doi:10.1001/jama.1963.03060120093037