Coronavirus Canada Updates: Poor ventilation, panting can increase coronavirus risk at gyms

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Coronavirus Canada Update: Ontario, Quebec, Manitoba look to ramp up restrictions as COVID caseload nears 200K
Coronavirus Canada Update: Ontario, Quebec, Manitoba look to ramp up restrictions as COVID caseload nears 200K

A recent COVID-19 outbreak at a southern Ontario fitness studio is illustrating how certain indoor settings can provide a perfect storm for superspreading events.

The studio, a downtown Hamilton SPINCO location, has been connected to 69 cases of COVID-19 as of Wednesday, despite screening customers, operating at 50 per cent capacity and keeping the recommended two-metre radius around bikes.

So how did so many cases originate there? And does it raise concern about how the novel coronavirus can spread in a gym setting?

“Certainly, this event makes you wonder that,” said Dr. Matthew Oughton, an infectious disease expert at Jewish General Hospital and McGill University in Montreal.

“I can see where this could lead to perhaps gyms having serious restrictions placed on them if they want to avoid similar superspreading events.”

Ontario and Quebec recently reintroduced closures at gyms in virus hotspots, including Toronto, Montreal and Ottawa, for a four-week period to help limit spread.

And Dr. Barbara Yaffe, Ontario’s associate chief medical officer, said Wednesday authorities are reviewing guidelines for fitness studios across the province after the Hamilton outbreak.

Oughton says gyms and fitness studios have a few strikes against them when it comes to tailoring them for the pandemic.

They’re operating almost exclusively indoors, which makes for poorer ventilation, and patrons aren’t usually masked when engaging in strenuous exercise.

High-impact activity also leads to heavier breathing, which means droplets are being expelled from peoples’ mouths at an accelerated rate — and being propelled further distances.

Dr. Andrew Morris, a professor of medicine at the University of Toronto, likens it to throwing a ball. The harder you throw, the further it goes.

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