| salmonellosis associated with marijuana: a multistate outbreak traced by plasmid fingerprinting. | in january and february of 1981, 85 cases of enteritis caused by salmonella muenchen were reported from ohio, michigan, georgia, and alabama. initial investigation failed to implicate a food source as a common vehicle, but in michigan 76 per cent of the patients, in contrast to 21 per cent of the control subjects, admitted personal or household exposure to marijuana (p less than 0.001, relative risk = 20). marijuana samples obtained from patients' households contained as many as 10(7) s. muenche ... | 1982 | 7070444 |