Pakistan reported 1046 cases of paralytic poliomyelitis in 1992. In 1993, 78% of all children received three doses of Oral poliovaccine (OPV), but there were 1115 cases to the end of September. As it is not feasible to make house to house surveys to check, we do not know how many children with polio fall outside the reports from surveillance centers which are mainly large hospitals. Hospitals h...