Intelligence Review Yields No Firm Conclusion on Origins of Coronavirus

Declassified portions of a report presented to President Biden revealed divisions among federal agencies over whether the virus came from a lab leak or emerged more naturally.

A Group of Scientists Presses a Case Against the Lab Leak Theory of Covid

In a review of recent studies and comparisons to other outbreaks, a group of virologists contends that there is more evidence to support a natural spillover from animals to humans.

Soviets Once Denied a Deadly Anthrax Lab Leak. U.S. Scientists Backed the Story.

The accident and a subsequent cover-up have renewed relevance as scientists search for the origins of Covid-19.

Soviets Once Denied a Deadly Anthrax Lab Leak. U.S. Scientists Backed the Story.

The accident and a subsequent cover-up have renewed relevance as scientists search for the origins of Covid-19.

A Top Virologist in China, at Center of a Pandemic Storm, Speaks Out

The virologist, Shi Zhengli, said in a rare interview that speculation about her lab in Wuhan was baseless. But China’s habitual secrecy makes her claims hard to validate.

Scientist Opens Up About His Early Email to Fauci on Virus Origins

In early 2020, Kristian Andersen wrote to Anthony Fauci about the possibility of an engineered coronavirus. His research has since dispelled those suspicions.

A Top Virologist in China, at Center of a Pandemic Storm, Speaks Out

The virologist, Shi Zhengli, said in a rare interview that speculation about her lab in Wuhan was baseless. But China’s habitual secrecy makes her claims hard to validate.

Opinion | Media Groupthink and the Lab-Leak Theory

Sometimes the most destructive enemies of science are those who claim to speak in its name. 

U.S. experts press calls for China to allow deeper inquiries into the pandemic’s origins.

Suspicions have focused on the Wuhan Institute of Virology, which long gathered bat viruses and whose laboratories conducted experiments on them.

Opinion | Why the Lab Leak Theory Matters

The debate about Covid’s origins will have implications beyond the media critique.

U.S. Is Said to Have Unexamined Intelligence to Pore Over on Virus Origins

Intelligence officials have told the White House that computer analysis may shed light on the mystery.

Biden Orders Intelligence Inquiry Into Origins of Virus

The directive came as health officials and scientists have renewed calls for a more rigorous examination.

President Biden calls for U.S. intelligence agencies to investigate the origins of the virus.

The move was a public indication that his administration takes seriously the possibility that the virus was accidentally leaked from a lab, as well as the prevailing theory that it was transmitted to humans by an animal.