High co-circulation of influenza and SARS-CoV-2.
John T KubaleAaron M FrutosAngel BalmasedaSaira SaborioSergio OjedaCarlos BarillaNery SanchezAbigail ShotwellAlyssa MeyersRoger LopezMiguel PlazaolaGuillermina KuanAubree GordonPublished in: medRxiv : the preprint server for health sciences (2022)
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.