If approved, Pentacel vaccine would be the first pediatric combination vaccine in the U.S. to immunize against diphtheria, tetanus, pertussis, polio, and Haemophilus influenzae type b (Hib) Sanofi pasteur, the vaccines business of the sanofi-aventis Group (NYSE: SNY; EURONEXT: SAN), is pleased that the members of an advisory committee to the U.S. Food and Drug Administration (FDA) voted nearly unanimously today that the company's pentavalent combination vaccine for use in pediatric patients is