Get your shopping done now and then stop. Stay home, at least until we have a more definite idea of what's what. It's said the incubation period can be up to three weeks so there is no need to have someone cough on you right now, all they need to do is exhale on you or in your vicinity.
Don't mean to panic anyone either. Most of us are not young ...... enough ...... Better to be safe. A 50 year-old was reported dead today from Coronavirus in Washington; he had prior health issues though, but it's the U.S.' first death.