Experts Say It Is Ethical To Offer Vaccines To Former Placebo Study Participants

In recent days, a number of articles and social media users have been criticizing the organizers of coronavirus vaccine trials for “unblinding” trial participants by offering vaccines to those who had been given placebos. Those criticizing this decision state that it is a violation of scientific integrity to offer vaccines to placebo control groups, as it hinders long-term studies of the vaccines’ efficacy.