W.H.O. Approves a Safe, Inexpensive Typhoid Vaccine by DONALD G. McNEIL Jr.


By DONALD G. McNEIL Jr.

The first typhoid vaccine safe for infants has been used in India since 2005, but won final certification only after an unusual experiment on university students.

Published: January 2, 2018 at 07:00PM

from NYT Health http://ift.tt/2qjNIcf
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