COVID's new Omicron sub-lineages can dodge immunity from past infection, study says https://t.co/hKjdSDQhJc pic.twitter.com/sheOnzaqvk— Reuters (@Reuters) May 1, 2022
COVID's new Omicron sub-lineages can dodge immunity from past infection, study says https://t.co/hKjdSDQhJc pic.twitter.com/sheOnzaqvk