Epidemiologist Dr. Eric Feigl-Ding — who predicted the COVID pandemic in January 2020 — explained to WTTG in Washington D.C. how the Delta variant of the virus is spreading because less than half of Americans have been fully vaccinated.
Centers for Disease Control and Prevention (CDC) Director Dr. Rochelle Walensky told a Senate committee hearing that the Delta variant now makes up 83% of cases in the United States, reports CNN.