Annals of internal medicine
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Comment
80% of patients with COVID-19 have ≥1 long-term effect at 14 to 110 d after initial symptoms.
Lopez-Leon S, Wegman-Ostrosky T, Perelman C, et al. More than 50 long-term effects of COVID-19: a systematic review and meta-analysis. Sci Rep. 2021;11:16144. 34373540.
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Seasonal influenza causes substantial morbidity and mortality among older U.S. adults and those with comorbid health conditions. ⋯ None.