COVID-19 Airflow Patterns? It’s not a matter of distance, it’s a matter of fluid dynamics, especially on the bike.

If the rider, walker or runner in front or to the side of you is generating a cloud of particles containing covid-19, distance can be irrelevant. It's a matter of where the cloud is going. If you are drafting, best of luck. If you are riding parallel, you effectively have an air wall between you and them, unless there is a strong lateral wind. Then it comes down to the direction and relative velocities of your air ... Read more

Disclaimer: As a veterinarian, I do not provide medical advice for human animals. If you undertake or modify an exercise program, consult your medical advisors before doing so. Undertaking activities pursued by the author does not mean that he endorses your undertaking such activities, which is clearly your decision and responsibility. Be careful and sensible, please.