1. World Health Organisation (WHO) (2020) WHO Director-General's opening remarks at the media briefing on COVID-19 - 11 March 2020. https://www.who.int/dg/speeches/detail/who-director-general-s-opening-remarks-at-the-media-briefing-on-covid-19---11-march-2020. Accessed 1 May 2020
2. Australian Government Department of Health (2020) Coronavirus (COVID-19) current situation and case numbers. https://www.health.gov.au/news/health-alerts/novel-coronavirus-2019-ncov-health-alert/coronavirus-covid-19-current-situation-and-case-numbers Accessed 21 June 2020
3. Twitter (2020) Jennifer Broder MD. https://twitter.com/JCBroderMD/status/1239589351849328647?s=09. Accessed 20 March 2020
4. School of Medicine, University of Utah (2020) Safer, PPE-Conserving X-Rays for Patients at University Hospital. https://medicine.utah.edu/radiology/news/2020/04/x-ray-through-glass.php. Accessed 18 Apr 2020
5. Penn State Health (2020) Medical Center opens radiology facility to image intermediate-risk patients. https://news.psu.edu/story/614712/2020/04/09/medical-center-opens-radiology-facility-image-intermediate-risk-patients. Accessed 1 May 2020