Moderna expecting to announce results of Covid vaccine by end of month November 11, 2020 at 05:46PM

Moderna is conducting a clinical trial of about 30,000 participants, with half of the participants receiving the vaccine and the other half receiving a placebo, which is a shot of saline that does not seem to have any effect, reported CNN. In order for the vaccine to be considered for authorization by the US Food and Drug Administration (FDA), at least 53 study participants needed to become ill with Covid-19.