Image: “Lieutenant (junior grade) Natasha McClinton, a surgical nurse, prepares a patient for a procedure in the intensive care unit aboard the U.S. hospital ship USNS Comfort. The ship cares for critical and non-critical patients without regard to their COVID-19 status. Comfort is working with Javits New York Medical Station as an integrated system to relieve the New York City medical system, in support of U.S. Northern Command’s Defense Support of Civil Authorities as a response to the COVID-19 pandemic,” by US Navy Mass Communication Specialist 2nd Class Sara Eshleman, 23 April 2020, in Wikimedia Commons … https://commons.wikimedia.org/wiki/File:COVID-19_Nurse_(cropped).jpg … public domain

Image: Level 3 icon [adapted], by Us