Bharat Biotech’s Covid-19 shot 50 per cent effective at height of India infections: Small study, South Asia News & Top Stories

BENGALURU (REUTERS) – Bharat Biotech’s vaccine was only 50 per cent effective at preventing symptomatic Covid-19 in a high-risk population during a devastating second wave of infections in India this year, data gleaned from hospital workers showed.

The real-world study for Covaxin, conducted from April 15 to May 15, compares with a 77.8 per cent effectiveness rate in a late-stage trial of more than 25,000 participants that was conducted November 2020 to January 2021.…

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