The new COVID-19 variant, called nimbus, has similar symptoms and recovery to the Omicron strain. Costa Rican court orders ...

Airport screening in the U.S. detected the new variant in travelers arriving in California, Washington state, Virginia and New York.

From the first reported case of AIDS to the present, what is the history of HIV-AIDS and are there parallels to the COVID-19 pandemic?

A new Covid-19 variant called NB.1.8.1, or Nimbus, represents about a third of new US Covid-19 cases. Dr. Leana Wen answers common questions about the new variant.

For the first time since the global outbreak of Covid-19, researchers claim to have pierced North Korea’s ironclad ...

New study shows social media use predicted future depression in tweens Researchers followed thousands of pre-teens for three years, generating unique insights into how social media is shaping kids.

The COVID-19 variant that may be driving a recent rise in cases in some parts of the world has earned a new nickname: “razor blade throat” COVID. That's because the variant — NB.1.8.1. or ...

According to research from Washington State University, HKU5-CoV-2 can replicate in human gut and airway cells and may be capable of infecting a wider range of animals than Covid-19. A slight ...

A new COVID-19 variant named "Nimbus" has been detected in the U.S. and is spreading rapidly. Here's what to know about ...

Coronavirus cases may surge in the coming weeks, as they have every summer since the pandemic began five years ago, experts ...

In patients with COVID-19, preexisting immunity and Omicron infection were associated with reduced disease severity and upper respiratory symptom presentation.