XBB

US health chiefs are 'monitoring' a new Covid variant that is feared to be the 'most vaccine-resistant yet' after it sent cases spiraling in Singapore.The Centers for Disease Control and Prevention (CDC) said the strain — dubbed 'XBB' — was…

A new batch of Omicron sub-variants has entered India, raising fears of a fresh wave in the coming months, as the country gears up to celebrate one of its biggest festival Diwali. Omicron's XBB variant, the recombinant of BA.2.75 and BJ.1,…

 A new Covid variant that is feared to be the 'most vaccine-resistant yet' has sent case numbers soaring in Singapore — and it is already in the US. The mutant strain — dubbed XBB — is another spin-off of the Omicron variant and…