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Context The COVID-19 pandemic has affected almost every aspect of life, including youth sports. Few data exist on COVID-19 incidences and risk-mitigation strategies in youth club sports. Objective To determine the incidence of reported COVID-19 cases among youth club sport athletes, describe the reported sources of infection for reported cases, and identify the information sources used to develop COVID-19 risk-mitigation procedures. Design Cross-sectional study. Setting Online surveys. Patients or Other Participants Soccer and volleyball youth club directors. Main Outcome Measure(s) Surveys were completed by directors of youth soccer and volleyball clubs across the country in October 2020. Surveys addressed the self-reported date of re-initiation, number of players, player COVID-19 cases, sources of infection, COVID-19 mitigation strategies, and information sources for the development of COVID-19 mitigation strategies. The total number of cases reported, number of players, and days since club re-initiation were used to calculate an incidence rate of cases per 100 000 player-days. To compare reported incidence rates between soccer and volleyball, a negative binomial model was developed to predict player cases with sport and state incidence as covariates and log (player-days) as an offset. Estimates were exponentiated to yield a reported incidence rate ratio with Wald CIs. Results A total of 205 136 athletes (soccer = 165 580; volleyball = 39 556) were represented by 437 clubs (soccer = 159; volleyball = 278). Club organizers reported 673 COVID-19 cases (soccer = 322; volleyball = 351), for a reported incidence rate of 2.8 cases per 100 000 player-days (soccer = 1.7, volleyball = 7.9). Volleyball had a higher reported COVID-19 incidence rate than soccer (reported incidence rate ratio = 3.06 [95% CI = 2.0, 4.6], P &amp;lt; .001). Out of 11 possible mitigation strategies, the median number of strategies used by all clubs was 7, with an interquartile range of 2. Conclusions The incidence of self-reported cases of COVID-19 was lower in soccer clubs than in volleyball clubs. Most clubs reported using many COVID-19 mitigation strategies to reduce the risk of infection.

COVID-19 Risk in Youth Club Sports: A Nationwide Sample Representing More Than 200 000 Athletes