Alliance for Pandemic Preparedness

May 26, 2021

Decline in Influenza Cases in Mexico after the Implementation of Public Health Measures for COVID-19

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  • A review of sentinel surveillance data on influenza-like illness in Mexico found a marked decrease in influenza diagnoses in outpatient clinics and public hospitals, influenza positivity rates, and confirmed severe influenza cases in the 10 weeks following implementation of lockdown measures in 2020 compared to the same period in 2019. The authors conclude that measures to mitigate transmission of SARS-CoV-2 was more effective for reducing transmission of influenza, which may be partially explained by differences in transmission mechanisms, virulence, and/or underlying population immunity.  

Arellanos-Soto et al. (Dec 24, 2021). Decline in Influenza Cases in Mexico after the Implementation of Public Health Measures for COVID-19. Scientific Reports. https://doi.org/10.1038/s41598-021-90329-w