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Global viral outbreak or not, don't discourage people from cleaning their hands. Do the opposite - encourage it! What a world we live in that a new disease is the only way for people to pay attention to keeping their hands clean.
I have a lil kit with me all the time, especially at events. Bunch of hand sanitisers and Vitamin C always in my bag, no matter what, and give it to others because gotta keep yourself protected from all nasty stuff out there!
Me too, I always have some hand sanitiser with me and am still baffled when people ask what am I doing when using it before eating like it's weird.
The "you need to build up your immune system" argument is such nonsense too 
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