text: Shabana Maani, gives a polio vaccination to a child in the old part of Kabul, Afghanistan, Monday, March 29, 2021. Afghanistan is trying to inoculate millions of children against polio after pandemic lockdowns stalled the effort to eradicate the crippling disease. But the recent killing of three vaccinators points to the dangers facing the campaign as turmoil grows in the country. (AP Photo/Rahmat Gul