BENJAMIN MUELLER

Scientists from the Chinese C.D.C. confirmed that DNA from raccoon dogs and other animals susceptible to the coronavirus was found at the market in early...

In a much-anticipated study, experts described a swab that was positive for the coronavirus and contained loads of genetic material from raccoon dogs.

Genetic research from China suggests to some experts that the coronavirus may have sprung from a seafood market in Wuhan. Now the data are missing...

Genetic samples from the market were recently uploaded to an international database and then removed after scientists asked China about them.

Moderna has paid $400 million to the government for a chemical technique key to its vaccine. But the parties are still locked in a high-stakes...

A new drug quashes all coronavirus variants. But regulatory hurdles and a lack of funding make it unlikely to reach the U.S. market anytime soon.

The research was conducted in part when older variants of the coronavirus were spreading. Other factors may have influenced the conclusions.

Financial and bureaucratic barriers in the United States mean that the next generation of Covid vaccines may well be designed here, but used elsewhere.

It is the first Nobel Prize awarded this year, with more announcements being made over the coming week.

The debut of Omicron-specific vaccines raises a thorny question: How long should you wait between shots?