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Dr. Neveen Tawfik Abed Refat :: Publications:

Title:
Protective immunity after hepatitis B vaccination: Cross-sectional study among school children attending Benha university hospital.
Authors: Ashraf Mohammed Shaheen, NeveenTawfik Abed, Saher Mohammed Fayed, Mona Ahmed El awady*, Nashwa Farouk Mohamed
Year: 2016
Keywords: Not Available
Journal: Not Available
Volume: Not Available
Issue: Not Available
Pages: Not Available
Publisher: Not Available
Local/International: International
Paper Link: Not Available
Full paper Neveen Tawfik Abed Refat_Nashwa final.pdf
Supplementary materials Not Available
Abstract:

Background: Few data are available concerning the long term immunogenicity of the pediatric doses of hepatitis B vaccines. The aim: was to evaluate the immune response among school children after hepatitis B vaccination according to Expanded Program on Immunization (EPI) in Egypt, and to determine factors influencing the immune response to hepatitis B vaccine. Subjects and Methods: This cross-sectional study included 300 healthy school children who had been given three doses of hepatitis B vaccine during obligatory immunization schedule in Egypt. HBs antibody concentration was quantitated using Enzyme Linked ImmunoSorbent Assay (ELISA) and for seronegative cases (Anti-HBs Ab10 mIU/ml)in studied subjects from 6-10 y, 10-13 y and 13-17 years old were 69.5%, 25.2% and 5.3% respectively, also significant decrease was found in males than females. There was no significant association between HBs Ab titre and other factors that affect the immune response to HB vaccine. HBs Ag was negative in 100% of studied seronegative children. Conclusion: Our results revealed that 43.7%of the studied children were HBV seroprotective. HBs Ab titre decrease significantly with increasing age, duration after vaccination and with male gender. Booster dose of hepatitis B vaccine should be considered to enhance the immune protection of the vaccine especially in our endemic area. Copy Right,

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