Stay informed about COVID-19 symptoms & prevention. Explore WebMD's comprehensive resource for information on signs, precautions, & the latest updates ...

As coronavirus continues to spread across the country and the globe, there is important information you should know about the disease, what you can do to mitigate its impact, and how you can keep ...

There are many types of coronaviruses. Some give you the common cold. The coronavirus behind the 2019-2022 pandemic causes an illness called COVID-19. A virus infects your body by entering healthy ...

Is It Covid-19 or Allergies? Tara Parker-Pope Reporting on the coronavirus. John Lamparski /Getty Images. We tend to feel allergies in our head, nose, eyes and throat.

The new coronavirus, SARS-CoV-2, is more similar to the SARS virus and, therefore, the infectious dose may be hundreds of particles, Dr. Rasmussen said.

People who have a Covid-19 rebound after treatment with the antiviral drug Paxlovid can be contagious and may not know it because they might not have symptoms, researchers warn. “People who ...

Stunning visualizations show what the novel coronavirus, SARS-CoV-2, looks like at an atomic level of detail.