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.

The Omicron variant spreads easier than other variants of coronavirus, and people can get it twice. Reinfection is possible even if a person has already had this virus or is fully vaccinated. Several ...

People infected with COVID-19 during the Omicron era face an increased risk of diabetes and related diseases, according to a study showing that long-term dangers of the virus have persisted since the ...

New York City health officials are warning residents that the infectious omicron subvariant XBB.1.5 may be more likely to infect people who have already been vaccinated or infected with COVID-19.

Scientists say the vaccines that use genetic technology can be easily tweaked. Vaccine makers say they are in the midst of testing their shots' effectiveness against the newly discovered omicron ...

In a recent study published in the journal JAMA Network Open, researchers investigate clinical symptoms and brain structural changes that occur during the acute phase of severe acute respiratory ...

The relatively new COVID-19 omicron subvariant XBB.1.5 "is the most easily transmissible subvariant so far," Dr. Marc Siegel, a Fox News medical contributor, told Fox News Digital this week. That is ...

In COVID terms, the middle of last autumn looked a lot like this one. After a rough summer, SARS-CoV-2 infections were down; hospitalizations and deaths were in a relative trough. Kids and workers ...

In a recent study published in the Nature Communications journal, researchers monitored the changing symptom profiles associated with different severe acute respiratory syndrome CoV-2 (SARS-CoV-2) ...

First, this subvariant is immuno-evasive. It's not as susceptible to natural immunity or vaccines — and it is very contagious, health professionals say. In a phone interview with Fox News Digital, Fox ...