Despite the majority of attendees being immunized, a COVID-19 epidemic occurred during a conference hosted by the U.S. Centers for Disease Control and Prevention (CDC).
In April, over 1,800 CDC employees and others met in Atlanta, where the CDC is based, at a hotel for a meeting on epidemiological research and tactics.
Several attendees informed conference organizers that they had come up positive for COVID-19 on April 27, the conference’s final day. In an effort to determine the proportion of guests who had tested positi …