Depending on the surface type, the time the Omicron variant of COVID-19 may stay on a surface varies. However, it appears to stay on surfaces longer than the other virus variants. As the coronavirus ...

A new study analyzing the immune response to COVID-19 in a Catalan cohort of health workers sheds light on an important ...

Manal Mohammed is a senior lecturer of medical microbiology at the University of Westminster. Since the COVID variant Omicron emerged in late 2021, it has rapidly evolved into multiple subvariants.

Versions of Omicron are highly transmissible and less susceptible to vaccines, but seem to cause less severe illness and fewer deaths among those who are immunized. By Carl Zimmer Emily Anthes and ...

Jessica was a writer on the Wellness team, with a focus on health technology, eye care, nutrition and finding new approaches to chronic health problems. Expertise Public health, new wellness ...

NBC News medical contributor Dr. Vin Gupta added, though, that vaccinated people don't need to worry — vaccines are "keeping people out of the hospital and that’s a success" Julie Mazziotta is the ...

With nearly all the new COVID-19 infections in the U.S. coming from the Omicron BA.4 and BA.5 subvariants, it makes sense that health officials are considering switching to a different vaccine to ...

When the omicron variant first emerged last November, many doctors, researchers and scientists hoped that the new strain — while more transmissible — would cause fewer deaths. Indeed, early research ...

While some have mild symptoms with COVID-19, others can have severe symptoms, resulting in hospitalization and even death.

It’s one of the perplexing mysteries of the Covid pandemic: Where did Omicron emerge from, almost one year ago? The fast-moving, extremely contagious variant arrived just after Thanksgiving 2021, ...

When it was discovered, omicron alarmed scientists. The variant looked wildly different from earlier versions of the coronavirus — and it quickly became clear that these mutations gave omicron an ...