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

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 ...

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