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Ukraine has confirmed cases of two new dominant coronavirus subvariants in the world - Nimbus and Stratus. They spread faster ...
COVID-19 cases are rising across the United States, driven by new variants Stratus (XFG) and Nimbus (NB.1.8.1). While Stratus is anecdotally linked to hoarseness and Nimbus to severe sore throat, they ...
A new COVID-19 strain, Stratus, with variants XFG and XFG.3, is spreading in England, with XFG.3 making up 30% of cases. WHO ...