A gathering of many people from diverse areas in an inadequately ventilated home is a bad idea. If you imagine transmission rates as a punch of particles bumpin

A gathering of many people from diverse areas in an inadequately ventilated home is a bad idea. If you imagine transmission rates as a punch of particles bumping around with a chance of infecting nearby nodes that haven't been previously infected, run the additional mental model where you decide to first randomize every node's position.