Eat shellfish promptly after cooking and refrigerate leftovers.
Avoid exposure of open wounds or broken skin to warm salt or brackish water, or to raw shellfish harvested from such waters.
Wear protective clothing (e.g., gloves) when handling raw shellfish.
And that is why I drink only distilled water, or rainwater, and only pure-grain alcohol...
What they are not telling people is why Vibrio is now much more prevalent. Turns out Vibrio consumes crude oil, and now there is a big food source in the Gulf of Mexico.