Soon after a mask mandate was relaxed (March 1, 2023), the first post–COVID-19 influenza season in Hong Kong lasted 12 weeks. After other preventive measures were accounted for, mask wearing was associated with an estimated 25% reduction in influenza transmission. Influenza resurgence probably resulted from relaxation of mask mandates and other measures.
CITATION STYLE
Xiong, W., Cowling, B. J., & Tsang, T. K. (2023). Influenza Resurgence after Relaxation of Public Health and Social Measures, Hong Kong, 2023. Emerging Infectious Diseases, 29(12), 2556–2559. https://doi.org/10.3201/eid2912.230937
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