Participants simply receive and subsequently have "default" access (i.e., readily and immediately available) to handwashing (HW) materials. This condition will functionally serve as a control comparison. As the term implies, inertia capitalizes on minimizing effort necessary (e.g., going to the grocery store) to engage in HW behavior in one's personal environment.

Involves once again providing "default access" to HW materials as above, but adds an explicit written cue to wash hands at a rate of (15) times per day, which is placed directly on the soap dispenser. The stimulus is intended to deliberately prime participant thinking (and subsequent behavior) towards a higher reference point that "overshoots" a desired target rate of 10+ daily HWs.

Application of behavior-change strategies based on principles of behavioral economics, decision-making heuristics, psychological/environmental variables.

Measured via adapted version of a previously validated questionnaire (Hygiene Inventory - 23), which specifically includes (a) 1 item about approximate hand washing frequency on an average day, with response options of whole numbers from 0-29 and an additional option of "30 or more" where higher numbers are generally considered better outcomes, (b) 10 items about hand washing behavior in various contexts, with response options of "1 - Never", "2 - Occasionally", "3 - Usually", and "4 - Always" where higher scores are considered better outcomes, and (c) 1 item about general hand hygiene using antibacterial gel or wipes, with response options of "1 - Never", "2 - Occasionally", "3 - Usually", and "4 - Always" where higher scores are considered better outcomes.

Patient frequency/rate for the following variables measured via electronic medical record:

ED visit (respiratory illness/other) ED visit reason (if non-respiratory) Admission (respiratory Illness) Respiratory Illness secondary to COVID19 ICU admission due to respiratory illness ICU admission due to COVID19 Mechanical Respiratory support Duration of Mechanical support (days) Mortality (respiratory Illness/other)