Covishield single-dose efficacy drops after 16 weeks in people above 60 years: Sri Lankan research Read more
Covishield gives 93 per cent protection against COVID and 98 per cent mortality reduction: AFMC Read more
Only marginal difference in purchase price of Covishield and Covaxin for Centre: MoS Health Read more
Significant adverse effect unlikely with doses of different COVID-19 vaccines, but further scrutiny required: Govt Read more