References: 

Centers for Disease Control and Prevention. (2020). Social Distancing. Retrieved June 23, 2020, from https://www.cdc.gov/coronavirus/2019-ncov/prevent-getting-sick/social-distancing.html

Geisinger Health. (2020). What’s the difference between physical distancing and social distancing? Retrieved June 23, 2020, from https://www.geisinger.org/health-and-wellness/wellness-articles/2020/04/08/13/47/social-distancing-vs-physical-distancing

GRTC Transit System. (2020). GRTC and COVID-19 (Coronavirus). Retrieved June 23, 2020, from http://ridegrtc.com/news-initiatives/news-updates/grtc-and-covid-19-coronavirus

Virginia Department of Health. (2020). Practicing Social Distancing During COVID-19. Retrieved June 23, 2020, from https://www.vdh.virginia.gov/coronavirus/what-is-social-distancing-and-how-can-i-do-my-part-to-slow-the-spread-of-covid-19/