| epidemiology of borrelia infections in austria. | from april 1984 to july 1985 873 cases of borrelia infections were registered at the hygiene institute of the university of vienna. 2609 serum samples of these patients were investigated for antibodies against b. burgdorferi by means of ifa- and elisa-tests. erythema chronicum migrans (ecm) was recognized in 60.9% of patients, neurological abnormalities were recorded in 23.4% of which the majority manifested themselves as polyradiculitis and meningopolyneuritis (mpn). acrodermatitis chronica atr ... | 1987 | 3591096 |