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To the Editor:—
It is possible that the "happy hog" in The Journal's cover picture of Sept 13 owes his smile to the curing of his trichinellosis.The photomicrographs actually illustrate the contrast between a Trichinella larva in a nontreated pig (top) and larvae in a pig treated with thiabendazole (bottom). It is true that larvae occasionally die in the striated muscle of untreated animals early in the course of the infection, and evoke a cellular response somewhat similar to that seen in two of the photographs. Most larvae, however, die only after many months of encapsulation, and the histological appearance of their capsules is quite different from that shown.
Cuckler AC. Thiabendazole Makes Happy Hogs. JAMA. 1965;194(8):936. doi:10.1001/jama.1965.03090210100043