The prevalence of vibrio bacteria in sea waters is increasing around the world as water temperatures rise due to climate change, according to the European Food Standards’ Agency (EFSA). To make matters worse, resistance to last-resort antibiotics is increasingly being found in some vibrio species. Experts from Germany’s Robert Koch Institute (RKI) warn that the germs can be found in fresh and salt water worldwide and can enter the body through wounds, for example. In rare cases, the bacteria can cause severe and even fatal infections. How worried should holidaymakers be? Here are the answers t…