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FDA considers changing COVID vaccine to target XXB, the latest
2023年6月15日 · Thursday, the Food and Drug Administration’s scientific advisers reviewed whether the next round of shots in the U.S. should only include protection against the newest …
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XXB likely the most contagious variant of Covid-19. Everything
2022年10月19日 · The XXB variant of Covid-19, touted the most contagious variant by some experts, have seen a rise in the densely populated areas of Mumbai, Thane and Raigad in …
WHO chief scientist sounds alarm on new Covid wave due to XXB …
2022年10月20日 · As XXB variant of Covid-19 spreads rapidly in almost 17 countries, the chief scientist of World Health Organisation (WHO), Dr Soumya Swaminathan has alarmed that …