Hepatitis A vaccination is indicated for persons with chronic liver disease, those who receive clotting factor concentrates, men who have sex with men, illegal drug users, laboratory workers exposed to hepatitis A virus–infected primates, persons traveling to or working in countries with high or intermediate endemicity of hepatitis A, and those seeking protection from hepatitis A virus infection. Single-antigen vaccine formulations should be given in 2 doses either at 0 and 6 to 12 months (Havrix, GlaxoSmithKline) or at 0 and 6 to 18 months (Vaqta, Merck). Combined hepatitis A and hepatitis B vaccine (Twinrix, GlaxoSmithKline) should be given in 3 doses at 0, 1, and 6 months or in 4 doses on days 0, 7, and 21 to 30, followed by a booster dose at month 12.
Hepatitis B vaccination is indicated for persons with end-stage renal disease, HIV infection, or chronic liver disease; for healthcare personnel and public-safety workers exposed to blood or other potentially infectious body fluids; for sexually active persons not in a long-term, mutually monogamous relationship; for persons seeking evaluation or treatment of a sexually transmitted infection; for current or recent injection-drug users; and for men who have sex with men. Other indications and settings are also listed, as well as special formulation indications.
(Morb Mortal Wkly Rep. 2009;57(53))