Eradication of polio from Karachi critical for on-going efforts to help rid country of the disease

Programme will target a total of 38.6 million children under five

Health officials say positive test proves that virus exists in the environment and poses threat to children

Administration urges 100% attendance for staff training

During the campaign, 2,181 polio teams will go door-to-door and administer polio drops

Around 0.65 million children under age of five will be inoculated during four-day polio drive

Stool samples test positive for poliovirus but child shows no physical symptoms

PTI MPA pledges full support to the centre

The MPA emphasises need for widespread support to eradicate disease

Health services minister says country makes remarkable progress in containing the crippling disease