187 countries where drinking tap water risky

Travel has never been more accessible. Record numbers of people are exploring the world’s far-flung and exotic locations, ranging from Asia and Australia to Africa and Antarctica. But, once on foreign soil, many find themselves confused by the health rules regarding safe drinking water. And for good reason. Despite advances in global sanitation, there are 187 countries in the world where tap water is deemed unsafe or unpalatable for tourists. Getting it wrong could mean a string of grim and potentially-fatal infections.