A lab leak was once dismissed by many as a conspiracy theory. But the idea is gaining traction, even as evidence builds that the virus emerged from a market.
Author: Sheryl Gay Stolberg and Benjamin Mueller
Where Did Covid Originate? Here’s What We Know and Don’t Know
Scientists and spy agencies have tried to determine where the coronavirus originated, but conclusive evidence is hard to come by and the nation’s intelligence agencies are split.
US to Require Negative Covid Tests for Travelers From China
Amid concerns about a coronavirus surge in Beijing, the Biden administration announced the change in policy for those entering the United States from China, including Hong Kong and Macau.