4 OUTBREAKS OF HUMAN TRICHINOSIS IN HENAN-PROVINCE

Four outbreaks of human trichinellosis caused by eating pork together had occurred successively in two rural areas and two cities of Henan P rovince, where the disease is endemic, Of the 110 persons involved, 54 had the onset. All of them had the history of eating pork. In the out break of Dengzhou, in those persons who dined together, men were all u ninfected and 13 women were infected. The difference found between sex es was suggested to be related with spirit drinking. In these 54 patie nts, the latent period ranged from 3 to 28 days. The relevant clinical symptoms and signs were fever, edema, myalgia, rash, headache, nausea , abdominal pain and diarrhea. Vomiting was uncommon, Most patients we re hospitalized and all cases recovered in two weeks after proper trea tment with albendazole.