Long-term immunity to hepatitis B among a sample of fully vaccinated children in Cairo, Egypt
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Abstract
We assessed the long-term immunity to hepatitis B among 242 Egyptian children aged 6-12 years who had received a full vaccination course in infancy, and investigated the factors associated with immunity. Only 39.4% of the children had protective [>/= 10 IU/L] hepatitis B surface antibody levels [HBsAb]. This proportion decreased with age but the decrease was not statistically significant. The mean level of HBsAb decreased significantly with increasing age [P = 0.026]. A significant negative correlation was found between current age and HBsAb levels [r = -0.31, P = 0.041]. Age and weight-for-age were found to be significant predictors of non-protective HBsAb levelsCitation
Shaaban, F.A., Hassanin, A.I., Samy, S.M., Salama, S.I. & Said, Z.N. (2007). Long-term immunity to hepatitis B among a sample of fully vaccinated children in Cairo, Egypt. EMHJ - Eastern Mediterranean Health Journal, 13 (4), 750-757, 2007 https://iris.who.int/handle/10665/117308