The new variant of the coronavirus, Omicron, has stirred the whole world. Intimidating claims are constantly being made about the contagiousness and speed of the spread of this virus. Omicron has more than 30 mutations, so its speed of spread will also be many times that of the delta variant. The question is also that how effective will the vaccine be against this new variant of corona? What did the IIT professor say on this? Watch this video.