source https://timesofindia.indiatimes.com/india/covaxin-well-tolerated-phase-3-data-shows-77-8-efficacy-against-symptomatic-covid-lancet/articleshow/87655618.cms
source https://timesofindia.indiatimes.com/india/covaxin-well-tolerated-phase-3-data-shows-77-8-efficacy-against-symptomatic-covid-lancet/articleshow/87655618.cms
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