The World Health Organization has added the variant, known formally as XFG, to its monitoring list. A dry, irritated throat ...

A new strain of Covid has spread across the UK with some experts warning it is resisting immunity. Unlike other strains, the ...

Intense throat pain is a key symptom of COVID-19 variant NB.1.8.1, referred to as "razor blade throat." Here's what to know.

Doctors groups and public health organizations are suing the U.S. government over the decision to stop recommending COVID-19 ...

This story has been updated with additional information and statements. | The lawsuit brought by the American Academy of ...