The Wuhan Virus has mutated again. Omicron Sub-Variant #BA2 is spreading globally. How lethal is this variant? Does it endanger the progress made so far? Will vaccines be effective? Palki Sharma tells you all you need to know.

Gravitas: Omicron BA.2: All you need to know

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Gravitas: Omicron BA.2: All you need to know