Chinese Lab Developed COVID-19 Virus, Senate Report Claims

Unintentional leaks happened twice in COVID-19, researchers say

An aerial view shows the P4 laboratory at the Wuhan Institute of Virology in Wuhan in China's central Hubei Province on April 17, 2020. Hector Retamal/AFP via Getty Images

WASHINGTON—The COVID-19 virus originated in a Chinese laboratory and was leaked unintentionally, a new U.S. Senate report concludes.

The virus, SARS-CoV-2, leaked from the Wuhan Institute of Virology (WIV), which tests bat coronaviruses, twice in 2019, researchers conducting the report say.