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Nonpharmaceutical Interventions Used to Control COVID-19 Reduced Seasonal Influenza Transmission in China

Hao Lei, Modi Xu, Xiao Wang, Yu Xie, Xiangjun Du, Tao Chen, Lei Yang, Dayan Wang, Yuelong Shu

2020The Journal of Infectious Diseases103 citationsDOIOpen Access PDF

Abstract

To suppress the ongoing COVID-19 pandemic, the Chinese government has implemented nonpharmaceutical interventions (NPIs). Because COVID-19 and influenza have similar means of transmission, NPIs targeting COVID-19 may also affect influenza transmission. In this study, the extent to which NPIs targeting COVID-19 have affected seasonal influenza transmission was explored. Indicators of seasonal influenza activity in the epidemiological year 2019-2020 were compared with those in 2017-2018 and 2018-2019. The incidence rate of seasonal influenza reduced by 64% in 2019-2020 (P < .001). These findings suggest that NPIs aimed at controlling COVID-19 significantly reduced seasonal influenza transmission in China.

Topics & Concepts

Transmission (telecommunications)PandemicCoronavirus disease 2019 (COVID-19)Seasonal influenzaPsychological interventionIncidence (geometry)ChinaEnvironmental healthMedicineEpidemiology2019-20 coronavirus outbreakSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2)VirologyGeographyOutbreakInternal medicineDiseaseComputer scienceMathematicsArchaeologyInfectious disease (medical specialty)TelecommunicationsPsychiatryGeometryInfluenza Virus Research StudiesCOVID-19 epidemiological studiesRespiratory viral infections research
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