"How long diseases like measles and the flu linger in the air — after an infected person has left the room"
RSV: up to 45 mins
Influenza: at least 1 hour
Rhinovirus: 1-2 hours
Measles: up to 2 hours
Norovirus: up to 2 hours
COVID-19: up to 3 hours
Chickenpox: several hours
Mumps: several hours
Tuberculosis (TB): 6-12 hours
Source: https://archive.md/dKnQP
Unvaccinated: 563