ANALYSIS OF EPIDEMIC SITUATION OF VIRAL HEPATITIS DURING 1993~1999 IN QINGYUAN CITY.

Objective:To find out prevail trend of viral hepatitis in Qingyuan city.Methods:Data from infectious disease epidemic situation reports were processed and analyzed.Results:Viral healtitis total incidences of whole city were 37 89/10 5 in 1993,carry through between 55 50～63 35/10 5 from 1993 to 1999.Therein to,incidence of hepatitis A has kept up about 8/10 5 for many years,hepatits B from 13 20/10 5 in 1993 went up to 42 87/10 5 in 1999.They accounted about 3/4 of all viral hepatitis cases.Seasonality was noticeably and most of the cases of hepatitis A and hepatitis B concentrated in March June and May August respectively.Incidence of hepatitis A for children and students was still posed a small peak.The effectiveness of the hepatitis B vaccination programs carried in recently years for depress incidence of hepatitis B of the children under 10 years old was not still evident.Conclusion:Viral hepatitis has been one of the leading infectious disease but without effectively control programs for population in Qingyuan areas in recent years,and hepatitis B was the major epidemic type.