India may end up wasting millions of COVID-19 vaccine doses if there is no separate queue for second shots
Advertisement While a Lancet study has shown that a longer interval may improve the vaccine’s efficacy, the study itself recommended a 12-week interval between doses. Moreover, the vaccines currently in use are those that have been given emergency approval and it is wise to err on the side of caution especially with new variants of the virus emerging. “With COVAXIN, they maintain that the interval should be four weeks. With Covishield, as per their trial data, even they said four weeks. Then, based on certain experiences in the UK, it was stretched to six weeks,” said Sarkar. “Now...