High Co-circulation of Influenza and Severe Acute Respiratory Syndrome Coronavirus 2

Open Forum Infect Dis. 2022 Nov 28;9(12):ofac642. doi: 10.1093/ofid/ofac642. eCollection 2022 Dec.

Abstract

In the first 2 years of the coronavirus disease 2019 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 severe acute respiratory syndrome coronavirus 2, causing substantial disease burden.

Keywords: Nicaragua; SARS-CoV-2; incidence rate; influenza; vaccination.