Polio continues to cripple Pakistan as virus yet again detected across 20 sewage samples

Pakistan faces a polio challenge. Poliovirus is found in sewage samples from various districts, including Islamabad. Sindh has the highest number of positive samples. Many polio vaccine refusals are reported during a national campaign. Southern Khyber Pakhtunkhwa faces access issues. Pakistan and Afghanistan are the only polio-endemic countries. Vaccination is crucial for prevention.