I'm usually very relaxed about these things and accept the best way to control them is through proper hand hygiene, they're not really a risk to people without underlying health issues etc. Move one and get on with life.
We've had a couple of other hyped viruses in the last decade or so that have causes a lot of deaths in China and elsewhere but not had the feared impact in Europe.
However, people being held for weeks on cruise ships, Serie A games cancelled, Carnival closed, whole cities quarantined. Surely this is unprecedented? What do "they" know that makes this one different?