RELATED: Coronavirus variants: Experts fear mutations could mean COVID-19 reinfectionsModerna said it is already advancing into preclinical studies and has "a Phase 1 study in the U.S.
to evaluate the immunological benefit of boosting with strain-specific spike proteins" that will be added into its current vaccines."As we seek to defeat the COVID-19 virus, which has created a worldwide pandemic, we believe it is imperative to be proactive as the virus evolves.