In May 2020, Health Protection Scotland carried out a Rapid Review of Literature: 'Assessing the infection prevention and control measures for the prevention and management of COVID-19 in health and care settings', which identified that, currently there is no clear evidence of airborne transmission of SARS-CoV-2 (COVID-19). This is published on the HPS web site, https://hpspubsrepo.blob.core.windows.net/hps-website/nss/2985/documents/1_covid-19-rapid-review-ipc-for-covid-19.pdf .