Vulnerability to different COVID-19 mutations depends on previous infections and vaccination, study suggests
Coronavirus
A person’s immune response to variants of SARS-CoV-2, the virus that causes COVID-19, depends on their previous exposure – and differences in the focus of immune responses will help scientists understand how to optimise vaccines in the future to provide broad protection. A new study has found that people differ in how vulnerable they are to different mutations in emerging variants of SARS-CoV-2. This is because the variant of SARS-CoV-2 a person was first exposed to determines how well their
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