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Continue to ChatBharat Biotech releases Phase 3 trial results of Covaxin, claims vaccine efficacy of 78.8 pc against Covid-19 https://indiamaximum.com/india/bharat-biotech-releases-phase-3-trial-results-of-covaxin-claims-vaccine-efficacy-of-78-8-pc-against-covid-19/article147282.html