Which among the following Indian drug makers is developing a COVID vaccine booster shot that would be more effective against Omicron?

• A. Cipla
• B. Dr Reddy's Laboratories
• C. Lupin
• D. Serum Institute of India

Answer: (D)

Serum Institute of India's CEO Adar Poonawalla said that they are working towards developing a vaccine booster shot that is more effective against the new Omicron COVID variant.