Aerosols 2 Airborne transmission Transmissions 2 Ventilation 2 Viruses 2 Aerosol transmission 1 Air filters 1 COVID 19 1 COVID-19 1 Comparator circuits 1 Comparators (optical) 1 Computer viruses 1 Condition 1 Diseases 1 Dose-response models 1 Drops 1 Engineering measures 1 Facility modeling 1 Far-field 1 Field transmission 1 Mass balance 1 Multi-room facilities 1 Operational changes 1 Probability 1 Relative exposure index 1 Risk assessment 1 SARS-CoV-2 infection 1 SARS-CoV-2 transmission 1 Spatially homogeneous 1 Transient behavior 1