Cases of Covid-19 have risen sharply across the UK this month, driven largely by a variant of the virus known as ‘XFG’.

If you show any of these signs, doctors say to get tested ASAP.

XFG, nicknamed ‘American COVID’ or Stratus, is a recombinant SARS-CoV-2 variant from the Omicron lineage. Experts said there ...

Sore throat, cough, fatigue–with the onset of cold season, these symptoms are likely to become more common again. However, it’s not always just a regular respiratory infection. COVID-19 is also ...

For many people, the COVID-19 pandemic feels like a distant memory. In reality, the SARS‑CoV‑2 coronavirus is still spreading widely across the globe and continues to evolve into new variants.

XFG COVID cases are rising in England, but experts say the variant has not been shown to cause more severe disease.

The resurgence of Covid-19 cases observed in recent weeks is in line with the waves the virus causes every year and, ...

In recent weeks, the omicron variant has exploded in the U.S. and other parts of the world. Its disproportionate and sometimes devastating impacts on the unvaccinated — and the possibility of new ...

Omicron, the newest coronavirus variant, was also the quickest to be labeled a "variant of concern" by the World Health Organization and the US Centers for Disease Control and Prevention because of ...

The headlines about the COVID-19 variants can be intimidating. So, we wanted to drill down on exactly what is and is not unusual or concerning about them. Dr. Carlos Del Rio with the Infectious ...