| [lyme disease in sfax]. | primary borreliosis is exceptional in north africa. from 1988 to 1992, we observed 23 cases (10 females, 13 males; age 20-67 years) of erythema chronicum migrans in our unit. the lesions began during the months of april to october with a peak in july and august. there was always an unique characteristic lesion with a central mark left by the bite in 20 cases. serological studies were not performed. several antibiotics were given. primary borreliosis of the erythema chronicum migrans type are see ... | 1994 | 7979034 |