Teens’ Tdap booster dose begins to wane after 2 years: http://www.pediatricnews.com/specialty-focus/respiratory-medicine/article/teens-tdap-booster-dose-begins-to-wane-after-2-years/0219cb5a26637f672fcf405f88eb4f5c.html …
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Teens’ Tdap booster dose begins to wane after 2 years: http://www.pediatricnews.com/specialty-focus/respiratory-medicine/article/teens-tdap-booster-dose-begins-to-wane-after-2-years/0219cb5a26637f672fcf405f88eb4f5c.html …