North and South Waziristan have banned polio vaccines over use of U.S. drones . The Pakistani government has also been accused by the United States of using drone strikes to target suspected militants in Pakistan's tribal areas. The ban on the polio vaccine has drawn criticism . Pakistan is one of three countries in the world where polio is still a problem .
North and South Waziristan have banned polio vaccines over use of U.S. drones . The Pakistani government has also been accused by the United States of using drone strikes to target suspected militants in Pakistan's tribal areas. Pakistan is one of three countries in the world where polio is still a problem .