Report: FDA Mandates 50% Efficacy for COVID-19 Vaccines

Vaccine candidates must be at least 50 percent more effective than a placebo to be considered for Food and Drug Administration approval, according to a FiercePharma report.

However, some experts have expressed concerns about that guidance, according to the report, with some suggesting that level of efficacy is insufficient for ending the outbreak.

To read the full report on FiercePharma, click here.