Hepatitis in Norwegian Track-finders: Hepatitis B Antigen and Antibody Measured by Staphylococcal Radioimmunoassay

Jan C. Ulstrup Department of Microbiology, Ullevål Hospital, and the institute of Hygiene, University of Oslo, Oslo, Norway

Karl J. Figenschau Department of Microbiology, Ullevål Hospital, and the institute of Hygiene, University of Oslo, Oslo, Norway

Odd D. Vellar Department of Microbiology, Ullevål Hospital, and the institute of Hygiene, University of Oslo, Oslo, Norway

Abstract

Serum samples of 19 track-finders bled in 1970 and 311 track-finders bled in 1973 were examined for hepatitis B antigen (HBAg) and antibody (HBAb) with a radioimmunoassay method with high sensitivity. If the competition career started before 1967, the percentage of HBAb-positive sera was high in male track-finders. Preventive measures against hepatitis were introduced in 1967, and men who started track-finding after that time exhibited a low percentage of HBAb. The percentage of HBAg- and HBAb-sera among female track-finders was low. These serological data are in good agreement with the sex difference in disease incidence. The positive effect of the introduction of preventive measures is confirmed serologically.

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Hepatitis in Norwegian Track-finders: Hepatitis B Antigen and Antibody Measured by Staphylococcal Radioimmunoassay

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Hepatitis in Norwegian Track-finders: Hepatitis B Antigen and Antibody Measured by Staphylococcal Radioimmunoassay

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