The United States is donating 17 million doses of the one-shot Johnson & Johnson vaccine to the African Union, bringing the total American donation to the continent to 67 million doses.The U.S. previously donated 50 million doses to the AU, whi…

The World Health Organization’s endorsement of the world’s first malaria vaccine marks a major advance against the mosquito-borne illness, which kills some 265,000 children in Africa annually.Bitrus Yusuf pours syrup into a measuring cup to give to his…