Dozens of new infections in Ontario originated from a single gym.

An outbreak of infections in Hamilton, Ontario, has been linked to a single spin studio that Canadian officials said appeared to be complying with public health regulations before dozens of people who attended classes there contracted the virus.

source https://www.nytimes.com/2020/10/14/world/dozens-of-new-infections-in-ontario-originated-from-a-single-gym.html