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New COVID Variants “Nimbus” and “Stratus” Surge Across Populations
As COVID-19 continues its long transition from global emergency to endemic disease, the virus itself has not stopped evolving. In recent months, scientists and public health watchers have reported the spread of new SARS-CoV-2 subvariants that some researchers and media outlets have informally nicknamed “Nimbus” and “Stratus.” While these names are not official World Health Organization (WHO) designations, they reflect a broader pattern: the virus is adapting in ways that allow it to continue circulating widely across diverse populations.
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