With COVID-19 cases once again surging across the globe and several countries considering targeted lockdowns, vaccines remain the best hope of restoring a sense of normalcy amidst the pandemic. For vaccines to work though, people must have enough confidence in the efficacy and safety that they’re willing to get vaccinated when the vaccines become available. That’s why the emergency use authorization (EUA) guidance the FDA released Oct. 6 for COVID-19 vaccines is so important.