India to start Covid mix-and-match booster vaccines on Friday

India has so far administered more than 2 billion Covid vaccine shots, including 113 million boosters, all of which have so far been of the same vaccine as the recipient’s first two doses.

India said on Wednesday that Biological E’s Covid-19 vaccine Corbevax can be administered as a booster dose in people who have taken the country’s other two main shots, Covaxin and AstraZeneca’s Covishield, from Friday.