1 Impact of government-imposed social distancing measures on COVID-19 morbidity and mortality around the world Nicole K. Le, MD, MPH 1 ; Alexander V. Le 2 ; Joel P. Brooks, DO, MPH 3 ; Sumun Khetpal, BS, BA 4 ; Daniel Liauw, MD, MPH 5 ; Ricardo Izurieta, MD, DrPH, MPH 6 ; Miguel Reina Ortiz, MD, PhD 6 1 Morsani College of Medicine, University of South Florida, 12901 Bruce B Downs Blvd, Tampa, FL 33612, USA 2 Department of Biomedical Sciences, University of Central Florida, 4000 Central Florida Blvd, Orlando, FL 32816, USA 3 Division of Allergy and Immunology, Children’s National Hospital, 111 Michigan Avenue NW, Washington, D.C., 20010, USA 4 Yale School of Medicine, Yale University, 333 Cedar St, New Haven, CT 06510, USA 5 University of North Carolina School of Medicine, 321 S Columbia St, Chapel Hill, NC 27516, USA 6 College of Public Health, University of South Florida, 13201 Bruce B Downs Blvd, Tampa, FL 33612, USA Corresponding author: Nicole K. Le; 12901 Bruce B Downs Blvd, Tampa, FL 33612; nicole.le93@gmail.com; (813) 974-8913 (Submitted: 28 April 2020 – Published online: 30 April 2020) DISCLAIMER This paper was submitted to the Bulletin of the World Health Organization and was posted to the COVID-19 open site, according to the protocol for public health emergencies for international concern as described in Vasee Moorthy et al. (http://dx.doi.org/10.2471/BLT.20.251561). The information herein is available for unrestricted use, distribution and reproduction in any medium, provided that the original work is properly cited as indicated by the Creative Commons Attribution 3.0 Intergovernmental Organizations licence (CC BY IGO 3.0). RECOMMENDED CITATION Le NK, Le AV, Brooks JP, Khetpal S, Liauw D, Izurieta R, et al. Impact of government-imposed social distancing measures on COVID-19 morbidity and mortality around the world. [Preprint]. Bull World Health Organ. E-pub: 30 April 2020. doi: http://dx.doi.org/10.2471/BLT.20.262659