Here Are the Unanswered Questions Coronavirus Vaccine-Makers Still Face
The Food and Drug Administration (FDA) has issued an emergency use authorization (EUA) for two coronavirus vaccines, but while short-term efficacy is clear, there are still plenty of unanswered questions. In this video from Motley Fool Live, recorded on Dec. 21, Corinne Cardina, bureau chief of healthcare and cannabis, and Fool.com contributor Brian Orelli discuss the ethical issues over when to give the vaccine to the clinical trial participants who received a placebo. They also touch on some unknowns, including the length of immunity and why some people who received the vaccine still developed COVID-19.
Source Fool.com
