NPR

Drink Up! Volunteers Swallow Bacteria That Causes Typhoid

Scientists went on a hunt for human guinea pigs to test out a new vaccine — and they got them!
A close-up of cultured typhoid bacteria.

If somebody asked you to drink a solution filled with live bacteria that can cause typhoid, you'd probably say ... no.

But more than 100 healthy adults visited an Oxford clinic within the past two years to take a gulp of faith. They swallowed a swig of bacteria to help scientists test a new vaccine for fighting typhoid, a disease spread through contaminated food or water and affecting per year, particularly in south Asia and sub-Saharan Africa. As a result of those trials, researchers were able to prove that a new typhoid vaccine is led by the Oxford Vaccine Group in

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