OmniHIB is manufactured by Aventis Pasteur but distributed by GlaxoSmithKline. COMVAX is not licensed for use under 6 weeks of age because of decreased response to the Hib component.
Mercks Hepatitis B vaccine for adults still contains thimerosal as a preservative. Children under 3 years of age receive a half-dose of vaccine, i.e., 0.25 mL (12.5 µg mercury/dose.)
JE-VAX is manufactured by BIKEN and distributed by Aventis Pasteur. Children 1 to 3 years of age receive a half-dose of vaccine, i.e., 0.5 mL (17.5 µg mercury/dose).
Thimerosalfyi.com