Immune globulin (IG) for hepatitis A protection: Children aged <1 year or who are allergic to a vaccine component and who are traveling to high-risk areas can receive IG. One dose of 0.02 mL/kg intramuscularly provides protection for up to 3 months, and 1 dose of 0.06 mL/kg IM provides protection for 3–5 months. Children should receive a second dose after 5 months if travel continues.