China Covid Wave: How infectious is new Omicron BF.7 sub-variant and its symptoms

China Covid Wave: Attention has once again been brought back to Covid-19 after a turbulent surge of new infections driven by Omicron sub-variant BF.7 in China, ever since the country eased zero-Covid-policy. Experts have predicted that almost 60 per cent of China, 10 per cent of world would be affected by new Covid wave. India at the same time is fully alert to battle the new variant with Union Health Minister Mansukh Mandaviya giving directions for genome sequencing of new Covid cases. Post genome sequencing directions by the Centre, at least 4 new Covid cases in India have been found to be of Omicron sub-variant BF.7. Let's take a look at how infectious the new virus is and its symptoms.    

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