How can airborne transmission of COVID-19 indoors be minimised? User shallotsla, in the University of Colorado Boulder subreddit, 20 Sep 2020
How can airborne transmission of COVID-19 indoors be minimised? User shallah, in the Coronavirus Variants and Covid-19 Vaccine Info subreddit, 13 Sep 2020
How can airborne transmission of COVID-19 indoors be minimised? User fleeyevegans, in the The Rona *cough**cough* subreddit, 01 Jul 2020
Les espaces fermés sont un grand vecteur de transmission. Des transformations des systèmes d’aération s’imposent User docisindahouse, in the Covid19TN subreddit, 01 Jul 2020
How can airborne transmission of COVID-19 indoors be minimised? User D-R-AZ, in the Covid_Defense subreddit, 01 Jul 2020
How can airborne transmission of COVID-19 indoors be minimised? User Epistaxis, in the COVID-19 subreddit, 30 Jun 2020
How can airborne transmission of COVID-19 indoors be minimised? User shallah, in the Novel Coronavirus (COVID-19) subreddit, 08 Jun 2020