COVID variants

High immune response to Covid variants in breakthrough cases after 2 Covaxin jabs: ICMR study

Fourth jab’s protection against Covid is short lived for those above 60: Study

New Omicron subtype detected: How it’s different from XE, other COVID variants?

New Covid variants and Omicron XE put fresh focus on virus mutations. Read here

More COVID variants will emerge if…: WHO explains why

What is stealth omicron variant? China battles biggest Covid outbreak in 2 years

Several COVID variants can infect you at the same time, scientists warn