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'Razor blade' sore throat? You may have one of the new COVID variants in Arizona

COVID-19 cases are rising across the United States, driven by new variants Stratus (XFG) and Nimbus (NB.1.8.1). While Stratus ...

Got the sniffles? Here's what to know about summer colds and the COVID-19 variant called stratus

The number of people seeking medical care for three key illnesses — COVID-19, flu and respiratory syncytial virus, or RSV — ...

Got the sniffles? What to know about summer colds and the COVID variant called stratus

CDC wastewater also shows the XFG variant — nicknamed stratus — is most common in the U.S. Stratus can cause a “razor blade” ...