Pakistan launches new anti-polio drive amid tight security

A healthcare worker administers a polio vaccine to a child in Lahore, Pakistan, Monday, Jan. 11, 2021. Despite a steady rise in coronavirus cases, Pakistan on Monday launched a five-day vaccination campaign against polio amid tight security, hoping to eradicate the crippling children's disease this year. (AP Photo/K.M. Chaudary)

A health worker marks fingers after giving polio vaccinations to child, in Lahore, Pakistan, Monday, Jan. 11, 2021. Despite a steady rise in coronavirus cases, Pakistan on Monday launched a five-day vaccination campaign against polio amid tight security, hoping to eradicate the crippling children's disease this year. (AP Photo/K.M. Chaudary)

A healthcare worker administers a polio vaccine to a child in Lahore, Pakistan, Monday, Jan. 11, 2021. Despite a steady rise in coronavirus cases, Pakistan on Monday launched a five-day vaccination campaign against polio amid tight security, hoping to eradicate the crippling children's disease this year. (AP Photo/K.M. Chaudary)

A healthcare worker administers a polio vaccine to a child in Lahore, Pakistan, Monday, Jan. 11, 2021. Despite a steady rise in coronavirus cases, Pakistan on Monday launched a five-day vaccination campaign against polio amid tight security, hoping to eradicate the crippling children's disease this year. (AP Photo/K.M. Chaudary)