Did COVID Lockdowns Drive a Flu Strain to Extinction?

During the COVID-19 pandemic, global influenza cases dropped dramatically due to lockdowns and travel restrictions. However, in regions with fewer restrictions, influenza continued to circulate, fueling its evolution. Research shows that global air travel is key to influenza spread, and while many lineages returned post-pandemic, influenza B/Yamagata may have gone extinct. During the COVID-19 pandemic, [...]

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