Figure 1.

Transmission pathways of SARS-CoV-2 and possible containment means. NP = nanoparticle; PPE = personal protective equipment. This figure was created using images under the Creative Commons licenses. This figure is a derivative of: “Human anatomy” by Wikimedia Commons, used under CC; “SugarandSkullDesigns” by Pixabay, used under CC; “Blubberfisch“ by Pixabay, used under CC; “Shutterstock” by FreeSVG, used under CC-BY; “OpenClipart” by FreeSVG, used under CC-BY; “James Gathany” CDC Public Health Image library used under CC-BY.