New extensively drug-resistant variants of an ancient and deadly disease—typhoid fever—are spreading across international borders. Cases have been reported in Pakistan, India, Bangladesh, the Philippines, Iraq, Guatemala, UK, US, and Germany, as well as more recently in Australia and Canada. In recent years, drug resistant and travel-associated typhoid variants have also been spreading through the African continent. Under-reporting and international surveillance gaps mean that drug-resistant typhoid is probably even more extensive than we think.
* This article was originally published here