So You’re Going Outside: A Physics-Based Coronavirus Infection Risk Estimator for Leaving the House

Elena Polozova
The Startup
Published in
10 min readApr 20, 2020

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Heads up, this material is now outdated! For the latest in coronavirus probabilistic risk estimation, please see https://www.microcovid.org/.

So we’re quarantined. We’re social distancing, avoiding groups, and staying 6 feet apart as much as possible. But this still leaves so many questions!

  • What if the sidewalk is only 4 feet wide — should I #stayHomeSaveLives?
  • How does “riskiness of the hangout” scale with…

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Elena Polozova
The Startup

Using math to make sense of life’s real, messy questions. ✧・゚: *✧・゚* Current: big tech. Prev: MIT Math, Physics, and Computer Science.