Republicans demand criminal investigation into Dr. Peter Daszak for links to gain of function research in Wuhan. First scientist to publish COVID-19 virus sequence in China allowed back into lab after sit-in protest. Dispute with lab over renovations and safety standards. Zhang's ordeal since publishing virus sequence without state approval in January 2020.
Key Points
Dr. Peter Daszak under investigation for gain of function research
Zhang Yongzhen allowed back into lab after protest