BackgroundIn light of the role that airborne transmission plays in the spread of SARS-CoV-2. as well as the ongoing high global mortality from well-known airborne diseases such as tuberculosis and measles. there is an urgent need for practical ways of identifying congregate spaces where low ventilation levels contribute to high transmission risk. Poorly ventilated clinic spaces in par... https://www.nacrack.com/quick-save-TRAILMASTER-CHALLENGER-200X-UTV-2-SEATER-super-grab/