/oss/taxonomy/term/5950/all en /oss/article/covid-19/covid-19-air-both-problem-and-solution <p>On March 28, 2020, at the beginning of the pandemic, the<a href="https://twitter.com/who/status/1243972193169616898?lang=en"> </a><a href="https://twitter.com/who/status/1243972193169616898?lang=en">World Health Organization (WHO) tweeted out</a>, “FACT: #COVID19 is NOT airborne.”</p> <p>For medical doctors and biomedical scientists (including me), this made sense. Few diseases were known to be airborne.</p> <p>But to aerosol scientists, this was both puzzling and infuriating.</p> Sat, 15 Jan 2022 09:00:00 +0000 Jonathan Jarry M.Sc. 8980 at /oss