via The Scientist RSS https://ift.tt/35l0UPQ Researchers find that surges in COVID-19 case numbers are associated with deletions in the SARS-CoV-2 genome in an antigenic site of the spike protein. Some of these mutations are present in vaccine breakthrough infections or reinfections. https://ift.tt/eA8V8J June 16, 2021 at 12:56AM