They Swallowed Live Typhoid Bacteria — On Purpose

A clinical trial enlisted some of England’s brightest minds, tempted by curiosity and cash. They proved a new typhoid vaccine works and could save children’s lives.
By DONALD G. McNEIL Jr. from NYT Health http://ift.tt/2hAAQdZ
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Typhoid, Vaccination and Immunization
Source The New York Times
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