I want to make a withdrawal metformina cosa serve While such occurrences could potentially concern officials in states with hundreds of miles of coastline and economies largely dependent on ocean-related tourism, experts say the bacteria is nothing most people should worry about. Vibrio bacteria exist normally in salt water and generally only affect people with compromised immune systems, they say. Symptoms include vomiting, diarrhea, and abdominal pain. If the bacteria get into the bloodstream, they provoke symptoms including fever and chills, decreased blood pressure, and blistering skin wounds.