Infections that enter the bloodstream are fatal about 50 percent of the time. Some who contract the infection die within days.

The culprit, Vibrio vulnificus, thrives in warm seawater and can get into the body through open wounds in the skin.

Four people in Florida have died this year from bacterial infections that can cause “flesh-eating” wounds, according to the state’s health department. NBC News’ George Solis has more on what causes ...

A flesh-eating bacteria called vibrio vulunificus that thrives in saltwater and brackish water had claimed the lives of four ...