Covid
Covaxin, Covishield or Sputnik V: Which is better?
At present, India has three different Covid-19 vaccines – Covaxin, Covishield and Sputnik V. But do you know which one is better? Well, fret not! Read this piece.
Sputnik V: With an efficacy of 92 per cent, the Sputnik V has been manufactured by Gamalaya Institute, Moscow and it is a vector vaccine based on an adenovirus. Also, two slightly different versions of the vaccine are administered 21 days apart.
Covaxin: Manufactured by Bharat Biotech, the covaxin is an inactivated vaccine which contains the virus and this triggers an immune response but does not make the person ill. The efficacy rate is 81 per cent and the duration between two doses is 28 days.
Covishield: Based on the viral vector platform and is made from a weakened version of a coomon cold virus from chimpanzees, the Covishield is produced by the Serum Institute of India. It has an efficacy of 70 per cent and the two doses are administered by 12 weeks apart.