Worried about staying healthy on a family cruise? Don’t be. All you need are some simple precautions. Let’s start with clearing up some common misconceptions about cruising. You often hear of cases where people have gotten sick on a cruise. The truth is, this actually affect less than one percent of all passengers, according to the Centers for Disease Control and Prevention. So you o r your family members are more likely to catch an illness at your workplace, school, or on public transportation.