| yersinia enterocolitica infection of animals and human contacts. | infective animal sources and persons in contact with animals were investigated for yersinia enteroclotica. the 68 isolates from 3115 animals belonged to four serogroups. the most frequent was serogroup o3 (62 strains) found mainly in pigs (41 strains). the same serogroup was isolated from dogs (9 strains), cats (6 strains) and from other animals (6 strains). a total of 556 animals living in the budapest zoo were examined. y. enterocolitica was isolated from the faecal specimens of one chimpanzee ... | 1980 | 7415874 |