| trichinosis surveillance, united states, 1986. | trichinella spiralis is a parasite of carnivorous animals that causes the disease trichinosis. in the united states, people become infected by eating poorly cooked pork products or wild animal meat that is infected with the parasite. although fewer than 100 cases per year are reported to cdc, trichinosis continues to persist as a public health problem in this country. public health officials believe that the reported cases represent only a fraction of the total number of cases, since many of the ... | 1988 | 3148105 |