Children who had Covid infection or MIS-C are not protected against Omicron, claims study
May 29, 2022 16:37 ISTThe researchers obtained blood samples from 62 children and adolescents hospitalised with severe Covid, 65 children and adolescents hospitalised with MIS-C, and 50 outpatients who had recovered from mild Covid-19. All the samples were taken during 2020 and early 2021, before the emergence of the Omicron variant.