We were in Puero Rico when this ship came to port. Our hotel notified the guests if we had gone around the town (we had) to be aware the cruise ship was in the area. Not only does this affect the people on the cruise ship, but also when they port and the guests walk around the town buying from local merchants or seeing the sites, the germs don't stay on the cruise ship.
Our hotel was 15 minutes from the area of the ship. They were pro active, but not in a way that would scare the guests. They simply made us aware of how the germs can come to port.
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