Epidemiology of Reported Hepatitis in Thailand Suchada Juntasiriyarkorn, Khanchit Limpakarnjanarat, Ellie Click, Sonja Olsen, Ubolrat Narueponjirakul, Kumnuan Ungchusak

Background 1970Included in the national surveillance 1978Separately reported hepatitis A, B, and non-A, non-B 1997Began to report for hepatitis D 1999Began to report for hepatitis C and E

Objectives To describe the 2002 distribution of hepatitis the national trends

Methods Health Center/Hospital District Health Office Provincial Health Office Ministry of Public Health

Results In 2002, Reported Cases6,617 Morbidity10.6/100,000 pop. Mortality0.15% Male:Female1.4 : 1 Age > % Agriculture31.9% South Region13.14% Monthly Reported Cases

Percentage of Reported Hepatitis cases by Phatogen-Specific, Thailand, Hepatitis A 6.06% Non-A, Non-B Hepatitis 4.69% Unspecified Hepatitis 56.7% Hepatitis B 32.56% Source: Bureau of Epidemiology, Royal Thailand Ministry of Public Health

Reported cases of Hepatitis (total) per 100,000 Population by Year, Thailand, Source: Bureau of Epidemiology, Royal Thailand Ministry of Public Health

Fig.6 Reported Hepatitis Subtypes in Thailand, Hepatitis B vaccine introduced Hepatitis A Hepatitis B

Distribution of Hepatitis (Total) Cases by Month, Thailand, No. of Cases Source: Bureau of Epidemiology, Royal Thailand Ministry of Public Health

Conclusions Need Pathogen-Specific Incidence Observed Declining Rates

Acknowledgements Local Health Personnel, District Health Officers, and Provincial Health Officers International Emerging Infections Program, Thailand MOPH - U.S. CDC Collaboration