Preventing a PlagueInjected cholera vaccines were first invented in the 1800s and were long required for entry into some countries. In 1986, a Vietnamese scientist, Dr. Dang Duc Trach, asked for the formula, believing he could make a bufferless version. He and Dr. Holmgren lost touch with Dr. Dang, largely because of Vietnam’s isolation in those days. In 1997, Vietnam became the first — and thus far, only — country to provide cholera vaccine to its citizens routinely, not just in emergencies. Advertisement Continue reading the main storyAnd later this year, Bangladesh — where it all began — hopes to begin wiping out its persistent cholera.

Source: New York Times February 06, 2017 20:26 UTC