The U.S. vaccine rollout is picking up speed after a slow start and could be fully on track within a week or so, said Anthony Fauci, the nation’s top infectious disease expert. Officials with the federal government’s Operation Warp Speed are exploring making the vaccine available to more people by offering half-doses of a Moderna Inc. shot to people ages 18 to 55.
India has followed the U.K. and granted emergency approval for the coronavirus vaccine developed by AstraZeneca Plc and the University of Oxford, the first step in its plan to inoculate citizens in the country that’s home to the world’s second-largest Covid-19 outbreak.