Nassau County Emergency Management
October 17, 2020
Each action you take to prevent the spread of respiratory viruses (e.g., influenza viruses, respiratory syncytial viruses, parainfluenza viruses, metapneumoviruses, rhinoviruses, coronaviruses, adenoviruses, and bocaviruses) is another layer of protection for both you and those around you.
P.S. This image should not be construed to imply that layers of swiss cheese should be worn as personal protective equipment.