In 2003, the military surgeon watched in disbelief as Chinese officials downplayed how SARS was spreading — and took the risk of alerting the media to the cover-up. He died this past week at age 91.
The wild animals are more similar to foxes than to domesticated dogs. Data that suggested a link between raccoon dogs and the origins of the COVID pandemic was removed from an international database.
Jiang Yanyong was a Chinese military doctor who revealed the full extent of the 2003 SARS outbreak and was later placed under house arrest for his political outspokenness.
Animals carry millions of pathogens. So it's a daunting task to find the one with the greatest potential to spark a pandemic. Now scientists are rethinking the way they hunt for that next new virus.
SARS-CoV-2 is evolving "rapidly," spawning one new variant after another. But omicron continues to dominate, raising new questions about how evolution of the virus is headed.
President Biden told U.S. intelligence agencies to investigate whether the coronavirus spread after a lab leak in China. Scientists welcome the request, but many still think it came from the wild.
There was early hope that the coronavirus could be contained and eliminated. But researchers now believe the virus is likely to be a continuing threat until a vaccine is developed.
State and local health officials in North Carolina continue to recommend the use of face coverings in public spaces to contain COVID-19.
The hope is that a person who's recovered from COVID-19 would have some protection against re-infection in the future. Here's what researchers do — and don't — know.