STORY AT-A-GLANCE
According to witnesses, a Wuhan Institute of Virology (WIV) scientist by the name of Zhou Yusen was thrown to his death off the lab’s roof in May 2020, three months after he’d filed a patent for a COVID vaccine
The patent suggests Yusen had been working on the vaccine prior to the SARS-CoV-2 outbreak, which authorities have insisted was …



