SUBJECT: HEPATITIS A AND HEPATITIS B VACCINATION UPDATE. A. MEDICAL MANUAL, COMDTINST M6000.1(SERIES) B. IMMUNIZATIONS AND CHEMOPROPHYLAXIS (JOINT PUBLICATION), COMDTINST M6230.4(SERIES) 1. THIS MESSAGE CLARIFIES THE HEPATITIS A AND HEPATITIS B VACCINATION POLICY FOR COAST GUARD PERSONNEL. 2. HEPATITIS A AND HEPATITIS B VACCINES - COAST GUARD HEALTH CARE PERSONNEL MUST ENSURE THEY USE THESE VACCINES ACCORDING TO THE FOOD AND DRUG ADMINISTRATION APPROVED SCHEDULES. THE DOSING SCHEDULE FOR THE SINGLE ANTIGEN HEPATITIS A, SINGLE ANTIGEN HEPATITIS B, AND COMBINED HEPATITIS A AND HEPATITIS B (TWINRIX) VACCINES CAN BE FOUND ON THE OPERATIONAL MEDICINE WEB SITE: HTTP://WWW.USCG.MIL/HQ/G-W/G- WK/WKH/INDEX.HTM. OF NOTE, THE SINGLE ANTIGEN HEPATITIS A DOSING SCHEDULE IS 0 AND 6 MONTHS. THE SINGLE ANTIGEN HEPATITIS B DOSING SCHEDULE IS 0, 1 MONTH AND 6 MONTHS. THE TWINRIX DOSING SCHEDULE IS 0, 1 MONTH AND 6 MONTHS. 3. SINGLE ANTIGEN HEPATITIS A IS INDICATED FOR INDIVIDUALS 19 YEARS AND OLDER. SINGLE ANTIGEN HEPATITIS B IS INDICATED FOR INDIVIDUALS 20 YEARS AND OLDER. ENSURE THE PEDIATRIC DOSE OF HEPATITIS A IS GIVEN FOR INDIVIDUALS WHO ARE LESS THAN 19 YEARS OLD AND THE PEDIATRIC DOSE OF HEPATITIS B IS GIVEN FOR INDIVIDUALS WHO ARE LESS THAN 20 YEARS OLD. WHEN AN INDIVIDUAL REACHES THE APPROPRIATE AGE, HE OR SHE CAN BE GIVEN THE ADULT DOSE OF HEPATITIS A OR HEPATITIS B USING THE APPROPRIATE DOSING SCHEDULE (SEE THE OPERATIONAL MEDICINE WEBSITE). COAST GUARD PERSONNEL WHO ARE LESS THAN 18 YEARS OF AGE CANNOT RECEIVE TWINRIX. 4. INFORMATION REGARDING THE HEPATITIS A AND B SINGLE ANTIGEN AND TWINRIX VACCINES, INCLUDING VACCINATION SCHEDULES IS POSTED ON THE OPERATIONAL MEDICINE WEBSITE. HTTP://WWW.USCG.MIL/HQ/G-W/G-WK/WKH/INDEX.HTM 5. COAST GUARD HEALTH CARE PERSONNEL MUST ACCURATELY ENTER HEPATITIS A AND HEPATITIS B AND TWINRIX DATA INTO THE MEDICAL READINESS REPORTING SYSTEM (MRRS). 6. THIS MESSAGE WILL BE REFLECTED IN THE NEXT UPDATE TO REFERENCES A AND B. 7. FOR QUESTIONS REGARDING THESE IMMUNIZATION CHANGES, CONTACT CDR ERICA SCHWARTZ AT ERICA.G.SCHWARTZ(AT)USCG.MIL OR (202) 475-5172. 8. CAPT MICHAEL J. BOQUARD, CHIEF, OFFICE OF HEALTH SERVICES, SENDS. 9. INTERNET RELEASE AUTHORIZED.