| detection of mef-1 laboratory reference strain of poliovirus type 2 in children with poliomyelitis in india in 2002 & 2003. | significant progress has been made towards eradication of poliomyelitis in india. surveillance for acute flaccid paralysis (afp) has reached high standards. among the 3 types of polioviruses, type 2 had been eliminated in india and eradicated globally as of october 1999. however, we isolated wild poliovirus type 2 from a small number of polio cases in northern india in 2000 and again during december 2002 to february 2003. using molecular tools the origin, of the wild type 2 poliovirus was invest ... | 2003 | 14870793 |