The XFG strain, nicknamed “Stratus,” is the predominant variant currently circulating. It has been on the rise since May in ...

COVID-19 activity is rising in much of the country. Data shows overall respiratory virus spread is very low in the U.S.

A new strain of COVID-19 known as Stratus that is spreading worldwide has been detected in Arizona.

According to the Centers for Disease Control and Prevention, the strain is now the third most common COVID-19 variant in the ...

Variant XFG, colloquially known as "Stratus," was first detected in Southeast Asia in January but accounted for less than ...

Dos nuevas variantes de COVID-19 se están propagando por EE. UU., y los médicos de CT esperan un aumento de casos en las próximas semanas.

Two new COVID-19 variants are spreading across the country and doctors in Connecticut are expecting they could bring an uptick in cases.

The 'Stratus' Covid-19 variant is now the dominant strain in England, new data has revealed. Here are the symptoms of the XFG and XFG.3 strains of the virus ...

COVID-19 activity is yet again on the rise in Hawaii, according to the latest report from the Hawaii Department of Health.

Here's what to know. Are COVID-19 numbers increasing in Massachusetts? The CDC website has evaluated the issue in each state and determined cases in Massachusetts are likely rising.