A long-awaited new policy broadens the type of regulated viruses, bacteria, fungi and toxins, including those that could threaten crops and livestock. By Carl Zimmer and Benjamin Mueller The White ...

“How did it start?” is among the many questions raised by the Covid-19 pandemic. Answering it may help prevent future pandemics. The escape of SARS-CoV-2 from a research laboratory in Wuhan, China, ...

TO PREVENT THE next pandemic, it would help to know how this one started. However, the answer to that question might embarrass China’s rulers. So they have obstructed investigations into how the virus ...