New Delhi: India’s drug regulator has given approval for a study to be conducted by the Christian Medical College (CMC), Vellore on mixing of COVID-19 vaccines Covaxin and Covishield, official sources said on Wednesday. An expert panel of the Central Drugs Standard Control Organisation (CDSCO) on July 29 had recommended granting permission for conducting the … Continue reading India’s drug regulator approves study on mixing of Covaxin and Covishield doses