Impact assessment of non-pharmaceutical interventions against COVID-19 and influenza in Hong Kong: an observational study
Benjamin J Cowling, Sheikh Taslim Ali, Tiffany W. Y. Ng, Tim K Tsang, Julian C. M Li, Min Whui Fong, Qiuyan Liao, Mike YW Kwan, So Lun Lee, Susan S. Chiu, Joseph T. Wu, Peng Wu, Gabriel M. Leung
doi: https://doi.org/10.1101/2020.03.12.20034660
Abstract
Background: A range of public health measures have been implemented to delay and reduce local transmission of COVID-19 in Hong Kong, and there have been major changes in behaviours of the general public. We examined the effect of these interventions and behavioral changes on the incidence of COVID-19 as well as on influenza virus infections which may share some aspects of transmission dynamics with COVID-19. Methods: We reviewed policy interventions and measured changes in population behaviours through two telephone surveys, on January 20-23 and February 11-14.
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