COVID-19 | DCGI Approves Clinical Trial On Mixing Covishield & Covaxin In India Post-ICMR’s Findings COVID-19 | DCGI Approves Clinical Trial On Mixing Covishield & Covaxin In India Post-ICMR’s Findings COVID-19 | DCGI Approves Clinical Trial On Mixing Covishield & Covaxin In India Post-ICMR’s Findings