Tag: Moderna’s COVID-19 vaccine defends against delta variant

Moderna’s COVID-19 vaccine resulted in antibody activity against variants, including the highly transmissible delta variant, six months after the second dose, a study found. However, antibody levels waned over time, and researchers said the results inform the potential need for a booster shot. “Binding and functional antibodies against variants persisted in most subjects, albeit at low levels, for…