Maria Van Kerkhove has had a crazy, busy week. The researcher told Van Kerkhove—who was preparing to leave her home in Geneva for a flight to Oman—that a team led by George Gao, former head of China’s Center for Disease Control and Prevention, had sat on potentially important genetic sequences from samples it collected in early 2020 at a Wuhan food market where the first cluster of COVID-19 cases occurred. And why aren’t we looking at the incentives and disincentives for addressing all that?Q: The new data revealed this week challenge people who say, “Oh, we’re never going to know the origin