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Lao PDR

Since 1983, DF and DHF cases ccurred in Lao, initiated in the big and crowded cities, mostly in 5 provinces; Vientiane municipality, Borikhamvay, Klammouane , Savannakhet and Champassak. The total cases and deaths is shown below. The first and second outbreaks were limited only in Vientiane.

year

case

death

CFR

No of city

1983

204

5

2.5

 

1985

1,774

11

0.6

 

1987

9,699

295

3.0

6

1988

180

1

0.6

1

1989

68

0

0

1

1990

99

3

3.0

3

1991

132

4

3.0

4

1992

86

1

1.2

2

1993

100

2

2.0

3

1994

1,870

17

0.9

4

1995

3,345

23

0.7

6

Cambodia

00000000Since 1962, Cambodia has been facing regular dengue fever outbreaks which affect children in areas with concentrated population, especially in Phnom Penh and Battambang cities. Epidemics were reported in 1983, 1985, 1987 and 1990 which also peak years in Thailand. The CFR range from 3.6015%. The most severe outbreak occurred in 1995 with ore than 10,200 cases and 420 deaths, which correspond to an attack rate of 104/100,000 population. In 1996, there were 1,433 cases with CFR of 5%.