CDC Considerations for Youth Sports
https://www.cdc.gov/coronavirus/2019-ncov/community/schools-childcare/youth-sports.html
State of CA Guidance: Day Camps
https://covid19.ca.gov/pdf/guidance-daycamps.pdf
SFDPH, Health Officer Directive
https://www.sfdph.org/dph/alerts/files/Directive-2020-13-Summer-Camps.pdf
SFDPH: Best Practice for Summer Camp
https://www.sfdph.org/dph/alerts/files/2020-13-Summer_Camp_Social_Distancing_and_Health_Plan.pdf
USA Volleyball Return to Play Guidelines
https://www.teamusa.org/usa-volleyball/features/usa-volleyball-response-on-coronavirus