A health worker (R) gives a polio vaccine to a child during a vaccination campaign in Ghazni province, eastern Afghanistan, Sept. 24, 2018. The Afghan Public Health Ministry launched a five-day campaign on Monday to give immunity vaccination dose to 6.4 million children under the age of five in 27 of the country's 34 provinces, the ministry said in a statement. (Xinhua/Sayed Mominzadah)