23 Jul 2010
In 2005, two Tdap vaccines were licensed in the United States: ADACEL (sanofi pasteur, Swiftwater, Pennsylvania) for use in persons aged 11–64 years and BOOSTRIX (GlaxoSmithKline Biologicals, Rixensart, Belgium) for persons aged 10–18 years. Both vaccines are licensed for single-dose administration.
I copied this info from: http://www.cdc.gov/mmwr/pdf/rr/rr57e0514.pdf; where you could get more info., hope this helps?
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... time released or slow released niacin for under $20. the Niaspan is very expensive... What if any is the difference??
I know the original Oxycontin's were time-released medication (when taken properly). I don't know much about the new OP's. So I was ...