Vaccine effectiveness against SARS-CoV-2 reinfection during periods with different dominant SARS-CoV-2 variants

By | June 3, 2022
A new study found that despite a lower COVID-19 vaccine efficacy against reinfection with the Omicron variant, these vaccines demonstrate a marked efficacy against reinfection with SARS-CoV-2 Alpha and Delta variants, as well as the Omicron variant.