Direct ventilation of the toilet bowls will give vastly reduce COVID-19 faecal aerosol exposure. But is it practicable? COVID-19 extraction ventilation of toilets?March 13, 2020 in COVID-19 / Industrial Ventilation tagged 2019-nCoV / air dryer / bioaerosol / Coronavirus / faecal / fecal / lavatory / local exhaust ventilation / loo / paper towel / toilet by admin