Den

gue Haemorrhagic Fever in South-East Asian Countries
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Sujarti Jatanasen, M.D. and Prasert Thongchareon, M.D.

Figure 3.Occurence of mosquito - borne haemorrhagic fever in South
and South - East Asia, 1949-1972

00000000DHF is a major public health problem in South-East Asia (Data from WHO/SEARO 1999). The estimated number of annual DF/DHF cases in South-East Asia Region countries: 20-30 million DF cases and 250,000-400,000 DHF cases.

• billion people are at risk.
• A leading cause of hospitalization and death among children.
• The incidence of DHF in the South-East Asian region has increased dramatically in the past 17 years.
• The geographic distribution has expanded.
• Aedes aegypti is the principal epidemic vector.