This video details the extent to which particulates can travel in hospital wards. Such aerosols can be dislodged from the environment & back into the air through disturbances of all sorts; in this case a patient fall from bed.
This video shows the results of a natural experiment when one of our larger HEPA/UVC units was being comissioned.
How are ward CO2 levels affected by a ward air cleaning system.
A team has modelled an aerosolised particle of the virus that causes COVID-19 on the US’s fastest supercomputer