The finding suggests avoiding `100% recirculation of room air, bringing in fresh air, and testing using convenient and nontoxic tracers like ethanol gas that do not need specialized operators or equipment.
Source: Study shows likely SARS-CoV-2 transmission between different rooms of a quarantine hotel
again, like masking, a relavively simple system can be used to monitor for bad residential rooms or any fore that matter. then either fix or ensure not used for quarnatine hotels. and the importance of good hvac.
“The finding suggests avoiding `100% recirculation of room air, bringing in fresh air, and testing using convenient and nontoxic tracers like ethanol gas that do not need specialized operators or equipment.”
“”Our findings emphasize the importance of ventilation and integrity of building structure in quarantine facilities.”


