https://input.niezalezna.pl/uploads/dokumenty/322210/social-distancing-v20whitepaper.pdf
"keep a distance of at least four to five meters behind the leading person while walking in the slipstream, ten meters when running or cycling slowly and at least twenty meters when cycling fast"
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@roguerobot Those are good distance numbers, as we breathe deeper when exercising, and might find more aerosols from the person near us while doing it.
Even singing requires about 5 m distancing, as the voice projection requires more air movement and increases the risk of contagion.
Solo bicycle riding is still safer, and what I do when we get a warm enough day, this Spring has been colder than usual.
