Suchen nach Schlagwort "Hepatitis A Antibodies"
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(2008)We determined the seroprevalence of hepatitis A virus antibodies [HAV Ab] among 296 Egyptian children aged 2.5-18 years of different social classes to ascertain whether to give HAV vaccine early in life or to leave children to acquire natural immunity. Overall 61.4% were seropositive for HAV Ab. There was a significant increase in the seroprevalence of HAV Ab with higher age and lower social class; in children aged < 6 years, 72.7% of high and 19.0% of low social class were seronegative for HAV Ab. A national vaccination programme for HAV is not ...