Affiliations :
*Virus Research Institute, Department of Medical Sciences.

Source:
Ministry of Public Health Journal 1997; 16(13-15): 103-107

Language :
Thai with English abstract

Abstract:
      Dengue hemorrhagic fever laboratory information during January-December 1994 were analyzed. From 51,688 reported cases throughout Thailand, 5,471 sera or blood samples of the suspected cases were transported to Virus Research Institute and Regional Medical Science Centres. Department of Medical Sciences for laboratory determination by HI and antibody capture ELISA technique. It was found that 3,742 cases(68.4%) were confirmed as Dengue virus infection. Incidence of infection was high during May to October and the highest peak was in June (776 cases). Positive results were in the specimens from North-East, North, Central and South regions respectively Mostly the affected cases were children in the age group 5-14 years. As WHO criteria, 3,510 dengue antibody responses were interpreted. 15% were evaluated as primary infection and 84.9% were secondary infection. Comparision of the clinical prediagnosis in the requested forms and laboratory results, Dengue infection was confirmed in 73.0% and 56.4% positive laboratory results in fever of unknown origin(FUO) groups.