Aerosolized measles can remain suspended in the air for a significant time. There would be nothing that you could do avoid it in this scenario. I've read elsew

Aerosolized measles can remain suspended in the air for a significant time. There would be nothing that you could do avoid it in this scenario. I've read elsewhere today that anything under 95% vaccination will result in outbreaks; the r-naught is 12-18 if google is correct.