How Effective Is The Covid Vaccine
However, further studies will be done to determine how well the vaccines work in real-life settings, the U.S. Centers for Disease Control and Prevention (CDC) has said. According to a briefing by the Food and Drug Administration (FDA) on the Moderna vaccine, which is under final review on Thursday for emergency us authorization, its “efficacy in preventing confirmed COVID-19 occurring at least 14 days after the second dose of vaccine was 94....