 "vaccination")
A large chunk of Omicron cases in India have been reported from big cities, the head of the country's vaccine task force told a television (TV) channel on Monday, adding the third wave is upon us.
Mumbai, Delhi, and Kolkata have a combined 75 per cent share of infections of the highly transmissible Omicron variant of coronavirus that was first detected in South Africa in November, said N K Arora, chairman, National Technical Advisory Group on Immunisation. He has also been closely involved with the roll-out of vaccines from the very onset.
"Look at whatever variants have been genome sequenced. We got
