Long-term protection against hepatitis B after newborn vaccination: 20-year follow-up

Background Hepatitis B vaccination in children born to hepatitis B surface antigen (HBsAg)-positive mothers considerably decreases the risk of vertical transmission. However, whether this protection against carriage of hepatitis B virus is maintained into early adulthood is as yet unknown. Patients...

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Veröffentlicht in:Infection 2010-10, Vol.38 (5), p.395-400
Hauptverfasser: Roznovsky, L, Orsagova, I, Kloudova, A, Tvrdik, J, Kabieszova, L, Lochman, I, Mrazek, J, Hozakova, L, Zjevikova, A, Pliskova, L
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container_end_page 400
container_issue 5
container_start_page 395
container_title Infection
container_volume 38
creator Roznovsky, L
Orsagova, I
Kloudova, A
Tvrdik, J
Kabieszova, L
Lochman, I
Mrazek, J
Hozakova, L
Zjevikova, A
Pliskova, L
description Background Hepatitis B vaccination in children born to hepatitis B surface antigen (HBsAg)-positive mothers considerably decreases the risk of vertical transmission. However, whether this protection against carriage of hepatitis B virus is maintained into early adulthood is as yet unknown. Patients and methods A combined passive-active immunization programme for newborns of HBsAg-positive mothers was initiated in the north-eastern part of the Czech Republic in 1988. The number of immunized newborns had reached 665 newborns by the end of 2006. All mothers of immunized infants were HBsAg-positive during pregnancy, and 34 (5%) were also hepatitis B e antigen (HBeAg)-positive. The immunization programme consists of providing newborns with protection at birth with hepatitis B immunoglobulin, followed by three 10-μg doses of plasma-derived or, since 1990, recombinant vaccine administered at 0, 1 and 6 months of life. Only 29 children of HBeAg-positive mothers received vaccine at 0, 1 and 2 months of life. Blood samples were obtained after immunization, at 2 years of age, and biennially thereafter. Samples were tested for HBsAg and hepatitis B surface and core antibodies (anti-HBs, anti-HBc). Results The immunization schedules were completed in 640 children. A protective anti-HBs level after immunization was proven in 574 of 620 children (93%). Persistence of protective anti-HBs antibodies was detected in 70, 40 and 25% of children at 5, 10 and 15 years of age. Vertical transmission with chronic HBsAg carrier status was detected in two infants. Anti-HBc seroconversion was proven in ten children from 3 to 15 years of age. Natural boosting with an anti-HBs increase was detected in 38 children (twice in one child). Conclusion Our results show that combined active-passive immunization of newborns against hepatitis B provides persistent protection up to adolescence despite a frequent waning of anti-HBs antibodies, suggesting there is no need for booster vaccination during adolescence.
doi_str_mv 10.1007/s15010-010-0039-7
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However, whether this protection against carriage of hepatitis B virus is maintained into early adulthood is as yet unknown. Patients and methods A combined passive-active immunization programme for newborns of HBsAg-positive mothers was initiated in the north-eastern part of the Czech Republic in 1988. The number of immunized newborns had reached 665 newborns by the end of 2006. All mothers of immunized infants were HBsAg-positive during pregnancy, and 34 (5%) were also hepatitis B e antigen (HBeAg)-positive. The immunization programme consists of providing newborns with protection at birth with hepatitis B immunoglobulin, followed by three 10-μg doses of plasma-derived or, since 1990, recombinant vaccine administered at 0, 1 and 6 months of life. Only 29 children of HBeAg-positive mothers received vaccine at 0, 1 and 2 months of life. Blood samples were obtained after immunization, at 2 years of age, and biennially thereafter. Samples were tested for HBsAg and hepatitis B surface and core antibodies (anti-HBs, anti-HBc). Results The immunization schedules were completed in 640 children. A protective anti-HBs level after immunization was proven in 574 of 620 children (93%). Persistence of protective anti-HBs antibodies was detected in 70, 40 and 25% of children at 5, 10 and 15 years of age. Vertical transmission with chronic HBsAg carrier status was detected in two infants. Anti-HBc seroconversion was proven in ten children from 3 to 15 years of age. Natural boosting with an anti-HBs increase was detected in 38 children (twice in one child). Conclusion Our results show that combined active-passive immunization of newborns against hepatitis B provides persistent protection up to adolescence despite a frequent waning of anti-HBs antibodies, suggesting there is no need for booster vaccination during adolescence.</description><identifier>ISSN: 0300-8126</identifier><identifier>EISSN: 1439-0973</identifier><identifier>DOI: 10.1007/s15010-010-0039-7</identifier><identifier>PMID: 20589522</identifier><identifier>CODEN: IFTNAL</identifier><language>eng</language><publisher>Munchen: Munchen : Urban and Vogel</publisher><subject>Adolescent ; Adolescents ; Antibody waning ; Biological and medical sciences ; Brief Report ; Child ; Child, Preschool ; Children ; Family Medicine ; Female ; Follow-Up Studies ; General Practice ; Hepatitis ; Hepatitis Antigens - blood ; Hepatitis Antigens - immunology ; Hepatitis B - immunology ; Hepatitis B - prevention &amp; control ; Hepatitis B - virology ; Hepatitis B Antibodies - blood ; Hepatitis B Antibodies - immunology ; Hepatitis B Vaccines - administration &amp; dosage ; Hepatitis B Vaccines - immunology ; Hepatitis B virus ; Hepatitis B virus - immunology ; Humans ; Immunization ; Immunization Schedule ; Infant ; Infant, Newborn ; Infants ; Infectious Disease Transmission, Vertical - prevention &amp; control ; Infectious Diseases ; Internal Medicine ; Male ; Medical sciences ; Medicine ; Medicine &amp; Public Health ; Miscellaneous ; Newborn ; Pregnancy ; Public health. Hygiene ; Public health. 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However, whether this protection against carriage of hepatitis B virus is maintained into early adulthood is as yet unknown. Patients and methods A combined passive-active immunization programme for newborns of HBsAg-positive mothers was initiated in the north-eastern part of the Czech Republic in 1988. The number of immunized newborns had reached 665 newborns by the end of 2006. All mothers of immunized infants were HBsAg-positive during pregnancy, and 34 (5%) were also hepatitis B e antigen (HBeAg)-positive. The immunization programme consists of providing newborns with protection at birth with hepatitis B immunoglobulin, followed by three 10-μg doses of plasma-derived or, since 1990, recombinant vaccine administered at 0, 1 and 6 months of life. Only 29 children of HBeAg-positive mothers received vaccine at 0, 1 and 2 months of life. Blood samples were obtained after immunization, at 2 years of age, and biennially thereafter. Samples were tested for HBsAg and hepatitis B surface and core antibodies (anti-HBs, anti-HBc). Results The immunization schedules were completed in 640 children. A protective anti-HBs level after immunization was proven in 574 of 620 children (93%). Persistence of protective anti-HBs antibodies was detected in 70, 40 and 25% of children at 5, 10 and 15 years of age. Vertical transmission with chronic HBsAg carrier status was detected in two infants. Anti-HBc seroconversion was proven in ten children from 3 to 15 years of age. Natural boosting with an anti-HBs increase was detected in 38 children (twice in one child). Conclusion Our results show that combined active-passive immunization of newborns against hepatitis B provides persistent protection up to adolescence despite a frequent waning of anti-HBs antibodies, suggesting there is no need for booster vaccination during adolescence.</description><subject>Adolescent</subject><subject>Adolescents</subject><subject>Antibody waning</subject><subject>Biological and medical sciences</subject><subject>Brief Report</subject><subject>Child</subject><subject>Child, Preschool</subject><subject>Children</subject><subject>Family Medicine</subject><subject>Female</subject><subject>Follow-Up Studies</subject><subject>General Practice</subject><subject>Hepatitis</subject><subject>Hepatitis Antigens - blood</subject><subject>Hepatitis Antigens - immunology</subject><subject>Hepatitis B - immunology</subject><subject>Hepatitis B - prevention &amp; control</subject><subject>Hepatitis B - virology</subject><subject>Hepatitis B Antibodies - blood</subject><subject>Hepatitis B Antibodies - immunology</subject><subject>Hepatitis B Vaccines - administration &amp; dosage</subject><subject>Hepatitis B Vaccines - immunology</subject><subject>Hepatitis B virus</subject><subject>Hepatitis B virus - immunology</subject><subject>Humans</subject><subject>Immunization</subject><subject>Immunization Schedule</subject><subject>Infant</subject><subject>Infant, Newborn</subject><subject>Infants</subject><subject>Infectious Disease Transmission, Vertical - prevention &amp; control</subject><subject>Infectious Diseases</subject><subject>Internal Medicine</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Medicine</subject><subject>Medicine &amp; Public Health</subject><subject>Miscellaneous</subject><subject>Newborn</subject><subject>Pregnancy</subject><subject>Public health. 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However, whether this protection against carriage of hepatitis B virus is maintained into early adulthood is as yet unknown. Patients and methods A combined passive-active immunization programme for newborns of HBsAg-positive mothers was initiated in the north-eastern part of the Czech Republic in 1988. The number of immunized newborns had reached 665 newborns by the end of 2006. All mothers of immunized infants were HBsAg-positive during pregnancy, and 34 (5%) were also hepatitis B e antigen (HBeAg)-positive. The immunization programme consists of providing newborns with protection at birth with hepatitis B immunoglobulin, followed by three 10-μg doses of plasma-derived or, since 1990, recombinant vaccine administered at 0, 1 and 6 months of life. Only 29 children of HBeAg-positive mothers received vaccine at 0, 1 and 2 months of life. Blood samples were obtained after immunization, at 2 years of age, and biennially thereafter. Samples were tested for HBsAg and hepatitis B surface and core antibodies (anti-HBs, anti-HBc). Results The immunization schedules were completed in 640 children. A protective anti-HBs level after immunization was proven in 574 of 620 children (93%). Persistence of protective anti-HBs antibodies was detected in 70, 40 and 25% of children at 5, 10 and 15 years of age. Vertical transmission with chronic HBsAg carrier status was detected in two infants. Anti-HBc seroconversion was proven in ten children from 3 to 15 years of age. Natural boosting with an anti-HBs increase was detected in 38 children (twice in one child). Conclusion Our results show that combined active-passive immunization of newborns against hepatitis B provides persistent protection up to adolescence despite a frequent waning of anti-HBs antibodies, suggesting there is no need for booster vaccination during adolescence.</abstract><cop>Munchen</cop><pub>Munchen : Urban and Vogel</pub><pmid>20589522</pmid><doi>10.1007/s15010-010-0039-7</doi><tpages>6</tpages></addata></record>
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subjects Adolescent
Adolescents
Antibody waning
Biological and medical sciences
Brief Report
Child
Child, Preschool
Children
Family Medicine
Female
Follow-Up Studies
General Practice
Hepatitis
Hepatitis Antigens - blood
Hepatitis Antigens - immunology
Hepatitis B - immunology
Hepatitis B - prevention & control
Hepatitis B - virology
Hepatitis B Antibodies - blood
Hepatitis B Antibodies - immunology
Hepatitis B Vaccines - administration & dosage
Hepatitis B Vaccines - immunology
Hepatitis B virus
Hepatitis B virus - immunology
Humans
Immunization
Immunization Schedule
Infant
Infant, Newborn
Infants
Infectious Disease Transmission, Vertical - prevention & control
Infectious Diseases
Internal Medicine
Male
Medical sciences
Medicine
Medicine & Public Health
Miscellaneous
Newborn
Pregnancy
Public health. Hygiene
Public health. Hygiene-occupational medicine
Risk reduction
Time
Transmission
Vaccination
Vaccine
Vaccines
viral hepatitis
title Long-term protection against hepatitis B after newborn vaccination: 20-year follow-up
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