[Investigation on an outbreak of trichinosis and clinical analysis].

An outbreak of trichinosis occurred in Lhingchi Prefecture of Tibet with 9 cases identified among 10 people. They consumed collectively raw or undercooked pork. Two cases died because of misdiagnosis and mistreatment. In the 9 cases, 3 had eosinophilia, 3 showed positive anti-Trichinella IgG. Trichinella larvae were found in gastrocnemius muscle of 3 cases by biopsy including the 2 died cases.Seven cases were successfully treated with albendazole.