HomeNDTV News - World-news Omicron Could Displace Delta: WHO's Soumya Swaminathan byashif raza -December 03, 2021 0 Comments 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 - World-news https://ift.tt/3oiHbuq
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