By Rich Haridy November 14, 2021 The Covaxin vaccine was also found to be 93 percent effective at preventing severe COVID-19Lakshmiprasad/Depositphotos A new study in The Lancet is offering the first peer-reviewed and published data on the efficacy of Covaxin, a COVID-19 vaccine developed in India. The vaccine was found to be 77.8 percent effective at preventing...