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Source: http://seattletimes.com/html/health/2019138316_apusmedwhoopingcoughvaccine.html
Originally published Wednesday, September 12, 2012 at 2:01 PM
Whooping cough vaccine loses punch too fast
By MIKE STOBBE
AP Medical Writer
NEW YORK ?
As the U.S. wrestles with its biggest whooping cough outbreak in decades, researchers appear to have zeroed in on the main cause: The safer vaccine that was introduced in the 1990s loses effectiveness much faster than previously thought.
A study published in Wednesday's New England Journal of Medicine found that the protective effect weakens dramatically soon after a youngster gets the last of the five recommended shots around age 6...
Originally published Wednesday, September 12, 2012 at 2:01 PM
Whooping cough vaccine loses punch too fast
By MIKE STOBBE
AP Medical Writer
NEW YORK ?
As the U.S. wrestles with its biggest whooping cough outbreak in decades, researchers appear to have zeroed in on the main cause: The safer vaccine that was introduced in the 1990s loses effectiveness much faster than previously thought.
A study published in Wednesday's New England Journal of Medicine found that the protective effect weakens dramatically soon after a youngster gets the last of the five recommended shots around age 6...