To investigate the annual distribution of hepatitis B surface antigen (HBs Ag) in healthy adults, this study was performed by means of counter-immunoelectrophoresis´with sera obtained from 4,145 healthy adults who reside in Seoul and Gyunggi-Do area from January to December, 1980.
The experimental procedures were same with the previous reports. The subjectives were consisted of two groups: one is mass life group (3,152 adults) and the other, home life group (993 adults).
The results were as follows;
1. Among the 4,145 cases tested, 283 cases (6.83%) showed HBs Ag positive. HBs Ag positive
rates in the group of mass life and home life were 6.69% and 7.25%, respectively.
2. Whereas the positive rate of HBs Ag in the aspect of the differencies of mass life duration
was not significant, upper class group showed slightly high positive rate.
3. In seasonal variation, it showed relatively high positive rate (8.5%) in spring, and AB blood group showed higher rate (7.87%) than the other blood groups. And then, western seaside area in Gyunggi-Do showed slightly high positive rate (7.5%) in areal distribution.
|