| a large outbreak of poliomyelitis following temporary cessation of vaccination in samarkand, uzbekistan, 1993-1994. | oral poliovirus vaccine (opv) was not available in samarkand, uzbekistan, from november 1992 to august 1993. the ensuing outbreak of poliomyelitis was investigated: patients with poliomyelitis were evaluated, the extent of poliovirus circulation was estimated, and the effectiveness of control measures was assessed. between march 1993 and april 1994, 74 cases of paralytic disease attributable to poliovirus type 3 were reported. cases originated from 63% of districts; 88% of cases were children < ... | 1997 | 9203697 |