Whooping Cough Vaccine Less Effective Over Time: Study

Title: Whooping Cough Vaccine Less Effective Over Time: Study
Category: Health News
Created: 11/27/2012 4:36:00 PM
Last Editorial Review: 11/28/2012 12:00:00 AM

Source: http://www.medicinenet.com/guide.asp?s=rss&k=WeeklyHealth&a=165416

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