Omicron Sublineages Evade Immunity From Past Infection
May 2, 2022 A South African study based on blood samples found that the BA.4 and BA.5 sub-lineages of Omicron were more likely to evade antibodies produced by previous Omicron infections than the immunity provided by vaccinations. Scientists took blood samples from 39 people infected with Omicron, with 24 people not vaccinated and 15 vaccinated … Read more