HomeNDTV News - SpecialOmicron Could Displace Delta: WHO's Soumya Swaminathan Omicron Could Displace Delta: WHO's Soumya Swaminathan Narayan 12:08 Soumya Swaminathan said that Omicron variant could become dominant because it is highly transmissible, but that a different vaccine may not be needed. from NDTV News - Special https://ift.tt/3oiHbuq
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