INDIA
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A new sub-strain of the Omicron variant of coronavirus has been detected in over 40 countries and it can escape even the RT-PCR test, the UK has said. Apart from the UK and Denmark, cases of BA.2 sub-strain have been detected in Sweden, Norway, and India. Scientists in India and France have warned about the new variant, fearing it might outpace the BA.1 sub-strain. Watch the video to know more.