| [poliomyelitis in sergipe]. | a retrospective study of poliomyelitis in sergipe, northeast of brazil, is presented by the authors. the study was divided in three periods, taking in consideration the notification rate of positive cases and emphasizing the period from 1979 to 1989 through the study of 159 consecutive cases. the following information was gathered for each case: sex, age, origin, former immunization status and clinical development. also evaluated were annual incidence, relationship of incidence/vaccinal coverage ... | 1994 | 7826251 |