How Covid vaccines impact on Human cells?
  • 3 years ago
The Central Drugs Standard Control Organisation's Subject Expert Committee (SEC) has approved the Covishield vaccine against Covid-19 developed by the Serum Institute of India (SII) and AstraZeneca-Oxford University. India also awaits approval of two more vaccines, Covaxin and Pfizer. How do these covid vaccines work or impact on human cells? Watch video.