India Coronavirus Dispatch: Short dose gap retained despite contrarian data

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Covishield: Govt retains short dose gap despite research to the contrary

Despite results from a new analysis that indicate a longer gap between Covid-19 vaccine doses yields better clinical results, administrators in India reportedly prefer a shorter gap, a report in The Wire said. The analysis—published in the peer-reviewed medical journal The Lancet last month—found that Covishield’s efficacy is 55.1% when its two doses are given less than six weeks apart but 81.3% when administered 12 weeks apart. India is administering Covishield’s doses 28 days apart. The analysis concludes that increasing the gap also increases the vaccine’s immunogenicity—the ability of