OUR STAFF REPORTER VEHARI - DCO Nassurullah Leghari has said that collective efforts are must to eradicate polio. He said this while examining an anti-polio campaign work in DHQ Vehari. In this drive, 4,010,362 children would be vaccinated, he added. He said that polio is a very lethal disease and parents should be aware of the proper vaccination. He pointed out that religious scholars would have to perform their duty in this regard. EDO Health Dr afzal saqib said that 118,300 teams have been formed for door-to-door vaccination.