What should i do about the norovirus and traveling with a 9 month old on a cruise?

Norovirus: Norovirus, also called the norwalk agent, is an intestinal virus easily transmitted through direct or indirect contact. Prevention is usually by frequent hand washing before handling your baby. Any object, pacifier, toy, nipple) that is brought to her mouth should be washed daily and as soon as it is dropped to the floor or handled by another person.