India could see a major surge in Omicron cases during January-February as the variant is expected to outpace the speed at which the Delta strain spread, a senior official source told TOI. He said the infections, however, are likely to remain mild.
Read moreEmerging evidence suggests a small decline in the effectiveness of vaccines against severe Covid-19 disease and death and a decline in preventing mild disease or infection, the head of the World Health Organization (WHO) said on Tuesday.
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