Monday, May 23, 2022 | Last Update : 05:56 AM IST

Delta wave

Omicron more infectious than Delta variant: Medanta Hospital senior surgeon

Omicron shows higher vaccine unresponsiveness and vaccine failure, the surgeon said

13 Jan 2022 4:42 PM

US approaching Delta wave peak but virus expected to become endemic

Countries in western Europe have also seen similar downturns in their Delta surges

15 Sep 2021 10:32 AM

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