Zamfara faults security concerns as Poliovirus type 2 hits 21 cases
No fewer than 21 cases of poliovirus type 2 (CVDPV2) have been confirmed in Zamfara, northwestern Nigeria, from January to...
No fewer than 21 cases of poliovirus type 2 (CVDPV2) have been confirmed in Zamfara, northwestern Nigeria, from January to...