Fauci: 'Too early to say' what caused coronavirus cases to surge in parts of US
June 30, 2020 at 08:59 AM EDT
National Institute of Allergy and Infectious Disease Director Dr. Anthony Fauci told the "Fox News Rundown" Tuesday that it is still "too early to say" what has caused a major increase in the number of coronavirus cases in parts of the U.S., particularly the South and West.
