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.

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 ...

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

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 ...

The Omicron variant has dominated headlines ever since the World Health Organization (WHO) designated it a COVID-19 variant of concern last week. With that, it’s only natural to wonder how Omicron ...

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, ...

As omicron cases multiply around the world, scientists are racing to characterize the heavily mutated coronavirus variant to understand how it spreads, and gauge new risks during this wave of the ...

Covid hospitalizations are surging, but a smaller proportion of cases is severe compared with previous waves. With staff shortages, some hospitals are still in crisis. By Emily Anthes and Azeen ...

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

The U.S. on Wednesday counted more than 480,000 COVID-19 cases in a single day. Cases increased nearly 70% over the past week, but hospitalizations have gone up only about 12%. Omicron is causing ...

Omicron’s reduced severity compared to previous variants, and the perceived likelihood that individuals will eventually be infected, have contributed to that relaxation in people’s mindsets, Williams ...

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 ...