Jason L. SchwartzPosts by Jason L. SchwartzBioethics Forum EssayEfficacy is Relative in a Public Health Crisis: Evaluating the Next Wave of Covid-19 VaccinesA third Covid vaccine candidate moving closer to potential FDA authorization is less effective than the two Covid vaccines already authorized in the United States. Is it ethical to offer a vaccine with lower efficacy? Is it ethical not to offer it in a public health emergency?Read Efficacy is Relative in a Public Health Crisis: Evaluating the Next Wave of Covid-19 Vaccines