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Changing epidemiology of dengue hemorrhagic fever in Thailand

Published online by Cambridge University Press:  01 February 1999

O. CHAREONSOOK ,
H. M. FOY ,
A. TEERARATKUL  and
N. SILARUG
O. CHAREONSOOK
Affiliation:
Division of Epidemiology, Ministry of Public Health, Soi Bamrasnaradura, Tivanont Road, Nonthanburi 1100, Thailand
H. M. FOY
Affiliation:
Department of Epidemiology, Box 357236. University of Washington, Seattle, WA 98195, USA
A. TEERARATKUL
Affiliation:
Division of Epidemiology, Ministry of Public Health, Soi Bamrasnaradura, Tivanont Road, Nonthanburi 1100, Thailand
N. SILARUG
Affiliation:
Division of Epidemiology, Ministry of Public Health, Soi Bamrasnaradura, Tivanont Road, Nonthanburi 1100, Thailand
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Abstract

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Dengue haemorrhagic fever (DHF) and dengue shock syndrome (DSS) are reportable diseases, the third most common causes for hospitalization of children in Thailand. Data collected from the Ministry of Public Health were analysed for trends. Rates of DHF increased in Thailand until 1987 when the largest epidemic ever, 325/100000 population, was recorded. Whereas the disease used to be confined to large cities, the rate is now higher in rural (102·2 per 100000) than urban areas (95·4 per 100000 in 1997). The age of highest incidence has increased, and the age group most severely affected is now those 5–9 years old (679/100000 in 1997). The case fatality rate has decreased with improved treatment and is now only 0·28%.

Type
Research Article
Information
Epidemiology & Infection , Volume 122 , Issue 1 , February 1999 , pp. 161 - 166
Copyright
© 1999 Cambridge University Press