A new COVID-19 variant spreading across the United States may cause an extremely painful sore throat—dubbed the "razor throat ...

A new COVID-19 strain has been reported in dozens of countries, including the U.S. Here's what you should know about it.

Vaccine makers will have to run large new trials before updated shots can be approved for everyone who is not at a higher-than-average risk.

The World Health Organisation (WHO) is closely monitoring a fresh rise in global Covid-19 cases, driven largely by a new variant - Nimbus (NB.1.8.1). First identified in January 2025, this sub-variant ...

COVID-19 appears to be on the rise in some parts of California as a new, highly contagious subvariant—featuring "razor blade ...

New COVID variant NB.1.8.1, or Nimbus, is spreading rapidly in the US, accounting for over one-third of cases.

Health authorities and clinicians across China are warning of a significant surge in COVID‑19 infections this July, driven by the NB.1.8.1 variant—a descendant of the JN.1 lineage that now dominates ...

A new SARS-CoV-2 variant, NB.1.8.1, may now account for more than one-third of all COVID-19 cases in the US, health officials say.

New research suggests a link between some weight loss drugs and potentially blinding eye diseases. That risk is especially high for older adults. A recent study found that older adults with diabetes ...

While COVID-19 transmission remains low in the US, health experts are anxious about the potential for a big summer wave as ...

The new COVID-19 variant NB.1.8.1, nicknamed ‘Nimbus,’ now accounts for 37% of U.S. cases. It spreads fast, causes severe sore throat, and may evade immunity due to spike mutations.