Emerging disease surveillance and response

Dengue Situation Updates (23 September 2014)

Update on the dengue situation in the Western Pacific Region


Northern Hemisphere

Japan: As of September 22, Ministry of Health, Labour and Welfare (MHLW), Japan, reported a total of 142 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, Akita, Aomori, Iwate, Ibaraki, Gunma, Saitama, Chiba, Tokyo, Kanagawa, Niigata, Yamanashi, Shizuoka, Osaka, Yamaguchi, Ehime, and Kochi prefectures), the majority (118/142, 83.1%) were associated with visiting Yoyogi Park or its vicinity. To date, dengue virus serotype 1 has been detected, likely of Southeast Asian origin.

Malaysia: The number of dengue cases in Malaysia is much higher than last year's. However, in week 37 there has been a 3.3 % increase in the number of dengue cases compare to the previous week. (Graph 1).

As of 13 September 2014
• Cumulative number of reported cases: 72,603
• Cumulative number of deaths reported: 136

Total number of cases reported in Philippines follows the seasonal pattern and showing a decreasing trend since week 31. It reported 59.57% lower rate compared to the same time period last year (Graph 2).

As of 6 September 2014:
• Cumulative number of reported cases: 59,943
• Cumulative number of deaths reported: 242

Singapore: Total number of reported dengue cases shows a marked seasonal pattern (Graph 3).

Cumulative cases reported from January until 13 September 2014.
• Cumulative number of reported cases: 14,708
• Cumulative number of deaths: 4 (no update available)


Mekong area

Cambodia has experienced a relatively stable number of new cases reported per week during 2014, (Graph 4). Overall in Cambodia, continues to experience a much lower number of cases since 2008, however, data for 2012 are excluded. As of 2 September 2014,
• Cumulative cases reported 2014: 2,349
• Cumulative deaths reported 2014: 15

Lao PDR continues to experience a lower number of cases than the mean (Graph 5). Total reported cases as per 12 September 2014:
• Cumulative cases reported: 1,432
• Cumulative deaths reported: 0

Viet Nam No update available. However, cumulative number of dengue cases since August was 15,401 cases and 10 deaths. In comparison with same period of last year, cases reduced by 52.9% (27,343 cases in 2013) and death reduced by 53% (17 deaths in 2013).
• Cumulative cases reported 2014: 15,401
• Cumulative deaths reported 2014: 10


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 of cases reported 2014: 1,245
• Cumulative of deaths reported 2014: NA


Pacific Island

Fiji: No update available. The latest available data are until 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 with 41 confirmed cases in the week ending on 7 September 2014.

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

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

New Caledonia: Until week 30, Noumea experience a lower number of cases reported than in 2013 and 2012 (Graph 8).
• Cumulative number of reported cases: 105
• Cumulative number of deaths reported: NA
• Cases reported in the latest reporting period: 0

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


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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