Moderna says it’s making variant-specific COVID-19 vaccines, but its existing vaccine should still work

Moderna has detailed some of the steps it’s taking to ensure that its vaccine remains effective in the face of emerging strains of the SARS-CoV-2 virus that leads to COVID-19. These include testing how adding a second booster, for a total of three shots, works with its existing COVID-19 vaccine, and also developing a strain-specific … Continue reading Moderna says it’s making variant-specific COVID-19 vaccines, but its existing vaccine should still work