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University of Nebraska Medical Center

COVID’s future: mini-waves rather than seasonal surges

Nature Whether you call it a surge, a spike, a wave or perhaps just a wavelet, there are signs of a rise in SARS-CoV-2 infections — again. A growing proportion of tests in some countries are coming back positive, and new variants, most notably a lineage called XBB.1.16, are pushing aside older strains, fuelling some of the uptick in cases.

Welcome to the new normal: the ‘wavelet’ era. Scientists say that explosive, hospital-filling COVID-19 waves are unlikely to return. Instead, countries are starting to see frequent, less deadly waves, characterized by relatively high levels of mostly mild infections and sparked by the relentless churn of new variants.

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