A doctor working for the U.S. government in 2017 visited the China-based virus research facility that may have leaked the pathogen that causes COVID-19, and sounded the alarm on safety issues at the lab earlier than previously reported, according to documents obtained by The Epoch Times.
Dr. Ping Chen, who worked for the National Institute of Allergy and Infectious Diseases (NIAID), visited the Wuhan Institute of Virology (WIV) in October 2017 and prepared a report for her superiors after her visit.