The XFG “Stratus” COVID-19 variant, now the third most common in the US, is surging in 12 states with high positivity rates.

In the last month, the XFG variant has driven an increasing proportion of cases. As of Aug. 13, Stratus is now the ...

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 COVID variant is on the rise amid a nationwide summer surge of cases. Positive cases in Mississippi are climbing. What are the symptoms?

COVID-19 variant XFG accounted for 0% of U.S. cases in May. By late-June, it became the third-most common strain.

The “Stratus” variant (XFG) was first identified in January in Southeast Asia. By June, it accounted for 14% of COVID cases in the U.S. While the symptoms of XFG are generally consistent with other ...

Known officially as XFG, the variant was first detected in Southeast Asia back in January. For months, it flew under the ...

According to the Centres for Disease Control and Prevention (CDC), as of July, the new variant Stratus (XFG) has accounted ...

Covid-19 cases in the US are increasing, with the highest activity reported in western states including Alaska, California, ...

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

The XFG variant, known as "Stratus," is gaining traction in the U.S., rising to 14% of cases since May. While the WHO ...

A new strain of Covid, with a unique symptom, is circulating in the UK, accounting for a high proportion of cases in England. The new strain, called Stratus, has two variants, XFG and XFG.3, with ...