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SvennoJ on 27 April 2020
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More conflicting information in the same article:

https://www.ctvnews.ca/health/coronavirus/can-you-contract-covid-19-passing-others-on-the-sidewalk-answers-to-that-and-other-questions-1.4856659

“The risk of transmission for that second where people are passing within a two-metre radius of each other is almost zero per cent,” he told CTV’s Your Morning on April 16. “It's extraordinarily small.”

Even if one person is infected with COVID-19, Bogoch said it’s “extraordinarily unlikely” they will transmit it to someone passing them on the sidewalk.

The exception, of course, is if they touch each other, he said.


vs

As for whether the virus can be transmitted through the air, the WHO states that “the virus that causes COVID-19 is mainly transmitted through droplets generated when an infected person coughs, sneezes, or speaks" instead of through the air.

However, a new study from the U.S. National Institutes of Health and published in the “New England Journal of Medicine” has found that severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which causes COVID-19, was detectable in aerosols for up to three hours. The researchers discovered this by using a device to dispense an aerosol with duplicated microscopic droplets of the virus, which would be released by a cough or sneeze. The tests showed the virus in aerosols could still infect people for at least three hours.

From experience, when someone is smoking I can smell it from more than 10 meters away, basically breathing their expelled (thinned) air. So I'll continue to keep my distance when I go out for some exercise. The forest is still empty enough to stay far enough away from people. Extremely unlikely it may be, it's not me I'm worried about. And now with allergy season starting, sneezing is on the rise.



And don't get your hopes up for a return to normal
https://www.ctvnews.ca/health/coronavirus/waiting-for-life-to-return-to-pre-pandemic-normal-it-won-t-pm-says-1.4913562

Especially when flu season starts again in fall we could be in for a tougher time than now.


Interestingly, Quebec is opening day cares and elementary schools again on May 11th (while they are hit harder than Ontario which keeps them closed until May 31st at least). High schools stay closed until next school year. I guess Quebec can be guinea pigs for us in Ontario.