| poliomyelitis in angola: current status and implications for poliovirus eradication in southern africa. | as part of emergency assistance to the ministry of health (moh), national surveillance data for poliomyelitis and charts of cases at the national rehabilitation hospital were reviewed. poliomyelitis patients admitted to angola's main pediatric hospital were examined. a mean of 86 cases of poliomyelitis/year were reported in angola during 1989-1994. review of records from non-moh sources uncovered another 74 cases, primarily from areas outside governmental control. hospital chart reviews revealed ... | 1997 | 9203688 |