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Old 11-09-2011
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Question Hepatitis vaccine <1yr age

In kaplan it says hepatitis A vaccine and ig >2yrs only.

so what we have to give vaccine or ig if <1yr age exposed to hepatitis A ?
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Old 11-16-2011
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From Mandell, Douglas, and Bennett's Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases, 7th ed. 2009

There are two inactivated single antigen hepatitis A vaccines available in the United States, HAVRIX from GlaxoSmithKline Biologicals and VAQTA from Merck & Company.

- HAVRIX is recommended in a two-dose schedule with doses separated by 6 to 12 months. The dose for children 1 through 18 years of age is 720 ELISA units, and for adults, it is 1440 ELISA units.
- Two doses of 25 units of VAQTA 6 through 18 months apart are recommended for persons 1 through 18 years, and two doses of 50 units 6 months apart are recommended for persons 19 years of age or older.

Hepatitis A vaccine is not licensed for use in children younger than 12 months of age.


Centers for Disease Control (CDC) and Prevention. Update: prevention of hepatitis A after exposure to hepatitis A virus and in international travelers. Updated recommendations of the advisory committee on immunization practices (ACIP). MMWR Recomm Rep 2007;56(41):10804.

For children younger than 12 months, immunocompromised persons, persons who have had chronic liver disease diagnosed, and persons for whom vaccine is contraindicated, IG should be used.

For more:
Hepatitis A Vaccine Recommendations - 2007
American Academy of Pediatrics (AAP)
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