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The Stratus or XFG variant transmits easily and is spreading worldwide. Stratus is a combination of variants F.7 and LP.8.1.2 ...
COVID-19 cases are rising across the United States, driven by new variants Stratus (XFG) and Nimbus (NB.1.8.1). While Stratus ...
COVID-19 is surging again, indicated by rising wastewater levels and infections across many states. A new variant, Stratus ...