Biology Newsfeed

Vital Signs: Prevention: Vaccine’s Power Wanes After Last Dose

International Herald Tribune - Posted: September 17th, 2012, 5:55pm EDT

Children usually receive five doses of DTaP, the combination vaccine that protects against diphtheria, tetanus and pertussis. Researchers report that its power declines rapidly after the final dose.img width='1' height='1' src='http://rss.nytimes.com/c/34625/f/640346/s/23863eeb/mf.gif' border='0'/br/br/a href="http://da.feedsportal.com/r/144540504565/u/0/f/640346/c/34625/s/23863eeb/a2.htm"img src="http://da.feedsportal.com/r/144540504565/u/0/f/640346/c/34625/s/23863eeb/a2.img" border="0"//aimg width="1" height="1" src="http://pi.feedsportal.com/r/144540504565/u/0/f/640346/c/34625/s/23863eeb/a2t.img" border="0"/

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