CDC study shows 68% of a gym s patrons infected during indoor classes
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1of3Martin Rivero lifts weights in the outdoor tent at 24 Hour Fitness in Walnut Creek, California on Wednesday, Dec. 16, 2020.Gabrielle Lurie / The ChronicleShow MoreShow Less
2of3Michelle Espland (right) exercises in the outdoor tent at 24 Hour Fitness in Walnut Creek, California on Wednesday, Dec. 16, 2020.Gabrielle Lurie / The ChronicleShow MoreShow Less
3of3Jocelyne Garcia exercises in the outdoor tent at 24 Hour Fitness in Walnut Creek, California on Wednesday, Dec. 16, 2020.Gabrielle Lurie / The ChronicleShow MoreShow Less
Public health experts reiterated the need for people to wear face coverings and maintain at least six feet of physical distance while working out indoors, citing an outbreak at a Chicago gym over the summer that infected at least 68% of those attending high-intensity fitness classes.