According to World Health Organisation (WHO), which among the following is the world’s largest reservoir of polio?

Show Answer Peshawar The WHO declared Pakistan’s northern city of Peshawar as the world’s largest reservoir of polio and called for urgent action to boost vaccination. With more than 90 percent of the current polio cases in the country genetically linked to Peshawar, the city is now the largest reservoir of endemic poliovirus in the world.