Emerging disease surveillance and response

Dengue Situation Updates (9 September 2014)

Update on the dengue situation in the Western Pacific Region


Northern Hemisphere

As of 3 September 2014 a total of 134 cases of dengue reported in Japan.

Local transmission of dengue:
On August 27 and 28, 2014, three autochthonous dengue cases were confirmed. Since then, as of September 5, Ministry of Health, Labour and Welfare (MHLW), Japan, reported a total of 66 confirmed autochthonous cases of dengue fever. None of these cases had recent overseas travel history. While cases were reported from throughout Japan (residents in Hokkaido, Aomori, Ibaraki, Gunma, Saitama, Chiba, Tokyo, Kanagawa, Niigata, Yamanashi, Osaka, and Ehime prefectures), all 66 cases were associated with visiting Yoyogi Park, a large park (or its vicinity) in metropolitan Tokyo.

The reported dengue cases in Malaysia showing an increasing trend compare to 2013 and above the median of 2009-2013. However there had been a decrease of 11% in the 36th week compare to the previous week. (Graph 1)

As of 6 September

• Cumulative number of reported cases: 70,337
• Cumulative number of deaths reported: 133

Total number of cases reported in Philippines follows the seasonal pattern and showing a decreasing trend since week 31. It reported 61% lower rate compared to the same time period last year. (Graph 2)

As of 16 August:

• Cumulative number of reported cases: 45,591
• Cumulative number of deaths reported: 205

Singapore:
Total number of reported dengue cases follows the seasonal pattern and showing a decreasing trend from 28th week. Cumulative cases reported from January until 30 August 2014. (Graph 3)
• Cumulative number of reported cases: 13,995
• Cumulative number of deaths: 4


Mekong area

Cambodia has experienced a relatively stable number of new cases reported per week during 2014 (Graph 4). Overall Cambodia continues to experience a much lower number of cases than in 2012 and 2013.
• Cumulative cases reported 2014: 1,927
• Cumulative deaths reported 2014: 13
• Cases reported in the latest reporting period: 238

Lao PDR continues to experience a lower number of cases than the mean (Graph 5). Total reported cases as per 29 August 2014:
• Cumulative cases reported: 1,331
• Cumulative deaths reported: 0

Viet Nam continues to experience a lower number of cases reported per month than the same period in 2012 and 2013.
• Cumulative number of reported cases: 12,868
• Cumulative number of deaths reported: 8
• Cases reported in the latest reporting period: 11,720


Southern Hemisphere

Australia continues to experience a lower number of cases reported per month than the same period in 2012 and 2013 (Graph 6).
• Cumulative number of reported cases: 1,219
• Cumulative number of deaths reported: NA
• Cases reported in the latest reporting period: 48


Pacific Island

Currently there are reports of dengue cases occurring in the Pacific including New Caledonia, French Polynesia, Solomon Islands and Fiji.

Fiji: The latest available data from January to 22 June:
• Cumulative number of reported cases: 26,595 • Cumulative number of deaths reported : 16

French Polynesia: Dengue serotype 1 outbreak continues in French Polynesia. There have been 74 confirmed cases for the week ending 24 August 2014. The hospitalization rate is 10%.
Latest available official data until the week 24. (Graph 7).

Nauru: Number of cases as of 15 July 2014:
• Cumulative number of suspected cases: 243
• Cumulative number of suspected cases, tested positive: 88

Tonga: An on-going dengue serotype-3 outbreak been reported.

Tuvalu: Number of cases as of 4 July 2014:
• Cumulative number of suspected cases: 408
• Cumulative number of positive RDT cases : 195

New Caledonia: Number of cases reported per week is presented in Table 7.
• Cumulative number of reported cases: 105
• Cumulative number of deaths reported: NA
• Cases reported in the latest reporting period: 0


Syndromic surveillance summary

Pacific Islands

Pacific Syndromic surveillance data of reported cases with prolonged fever which can be dengue associated.


For further information on the dengue situation or its surveillance, please visit the following links:

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