'Lowering guard, new sub-variants could be behind Delhi surge' https://ift.tt/ldATMhW

"When the previous virus is still around and new forms of variant are emerging and entering in a situation where people have discarded Covid-appropriate behaviour, the virus easily can get a chance for transmission," he said. "Delhi has a high crowd density and is a high mobility city, which is another reason for the numbers to go up."

from Top Health News | Latest Health & Healthcare Industry Information and Updates: ET HealthWorld : ETHealthworld.com https://ift.tt/4XqVUua