A new COVID-19 variant marked by a painful “razor-blade throat” symptom is spreading rapidly in the United States. The strain ...

As a new variant that causes 'razor blade throat' spreads, the FDA updates vaccine warnings to include information on heart ...

A painful sore throat is a signature symptom of an Omicron subvariant called NB.1.8.1, or Nimbus. It now makes up about a third of U.S. COVID-19 cases. Find out what you can do to get relief.

Experts said that COVID-19 vaccines are expected to be effective against this variant known as "nimbus." Here's what to know about it.

Once again, a new strain of COVID has hit the country, and that includes the state of Massachusetts. According to the Centers for Disease Control and Prevention (CDC), as of early June, the new strain ...