Pieces of the COVID virus can lurk in our blood and tissue for almost two years after the initial illness has vanished, a discovery that might offer clues to the mystery of lingering post-infection ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SEATTLE (AP) — The coronavirus may have been ...

Researchers have revealed that the presence of Nora virus in fruit flies can increase their sensitivity to bacterial infection and could limit their lifespan. The study, published today as a Reviewed ...

Viruses are tiny — and sneaky. So sneaky that some play a deadly game of hide and seek. The "seek" part is all too familiar: They're always looking for ways to infect humans. Their ability to hide is ...

SEATTLE (AP) — The coronavirus may have been circulating for weeks undetected in Washington state, a preliminary finding that could mean hundreds of undiagnosed cases, researchers said Sunday after ...