Analysis of HBV Infection in Food Practitioners and Workers from Public Places in Laiyang City from 2003 to 2005

[Objective]To understand the status of HBV infection in food practitioners and workers from public places.[Methods]Data of physical examination for food practitioners and workers from public places were analyzed.After screening of HBsAg with RPHA,then conformed by enzyme linked immunosorbent assay (ELISA).HBeAg was tested for HBsAg positive person (EIA).[Results]The positive rate of HBsAg was 5.41% (1 276/23 596),5.13% (1 597/31 136) and 3.97% (1 344/33 860) in 2003,2004 and 2005 respectively,5.10% in male(1 597/31 303) and 4.57% in female (2 618/57 284).The highest positive rate was 6.09% (1 581/26 058) in the age group from 17 to 19 years old.Compared with other practitioners,the highest HBsAg positive rate was 5.28%(3 405/64 532) in food practitioners.The positive rate of HBeAg for HBsAg positive persons was 45.58%.It went up along with the raising of titer.[Conclusion]The people can be infected by the persons with both HBsAg and HBeAg positive so their work must be readjusted.