High co-circulation of influenza and SARS-CoV-2

medRxiv [Preprint]. 2022 Sep 17:2022.09.13.22279740. doi: 10.1101/2022.09.13.22279740.


In the first two years of the COVID-19 pandemic, influenza transmission decreased substantially worldwide meaning that health systems were not faced with simultaneous respiratory epidemics. In 2022, however, substantial influenza transmission returned to Nicaragua where it co-circulated with SARS-CoV-2 causing substantial disease burden.

Publication types

  • Preprint