Western Pacific Regional Office Dengue Situation Updates 2014 - 2017

[Ronan Kelly]

Dengue Situation Update Number 507
3 January 2017
Update on the Dengue situation in the Western Pacific Region

http://www.wpro.who.int/emerging_diseases/dengue_biweekly_20170104-rev.pdf?ua=1

Northern Hemisphere
China
As of 31 December 2016, there were 2098 cases of dengue reported in China in 2016. This number is lower
than that reported during the same period in 2015 (Figure 1).

Malaysia
In week 51, the number of reported dengue cases was 1,590 cases, an increase from 1,397 cases (an
increase of 13.8 %) reported in the previous week. The cumulative number of cases reported in 2016
(100,028 cases) up to date, is less than that reported during the same period in 2015 (118,325 cases). As of
week 51, the cumulative number of dengue deaths for 2016 was 231 cases, compared to 322 deaths during
the same period in 2015 (Figure 2).


Philippines
As of 5 November 2016, there were 176,411 suspected cases of dengue reported in 2016, including 422
deaths. This is 0.8% lower than that reported during the same period in 2015 (n=177,767) (Figure 3).

Singapore
In week 51, there were 72 dengue cases reported in Singapore. The cumulative number of cases in 2016
(13051) is 20.3% higher than that reported during the same period of 2015 (10842). Large numbers of
cases were reported in early 2016 compared to previous years (Figure 4).


Lao PDR (No update)
As of 2 December, there were 5,373 cases of dengue with 10 deaths reported in Lao PDR in 2016. From 26
November to 2 December, 106 new dengue cases and no death were reported. The number of cases is
higher than the same time period in 2014 and 2015, but is decreasing since week 47 (Figure 5).

Viet Nam
As of 30 September 2016, there were 79,204 cases of dengue including 27 deaths, reported in 44 out of 63
provinces in Viet Nam. In September 2016, there were 15,700 cases reported including 7 deaths. This is an
increase of 22.9% in number of cases and a decrease of 5 deaths compared to same period in 2015.
Compared to the median of the 2011-2015 periods, the cumulative number of cases has increased by 96.1%
(Figure 6).


Southern Hemisphere
Australia
As of 30 December 2016, there were 2,106 laboratory-confirmed dengue cases in Australia. The number of
cases reported has been decreasing since March 2016 and it follows the seasonal trends (2011-2015)
(Figure 7).

Pacific Islands Countries and Areas
French Polynesia (No update)
In week 42, 22 confirmed dengue cases were reported in French Polynesia (Figure 8). Four (18%) of the 22
cases were confirmed as DENV-1 infection.


Papua New Guinea
From 1 January to 18 December, 81 imported cases of dengue with travel history to Papua New Guinea
were reported by Queensland Health (Weekly Report on overseas acquired dengue notifications). Among
these cases, 5 were DENV-1, 57 were DENV-2, 4 were DENV-3, 4 was DENV-4 and 11 cases were of
undetermined serotype.

New Caledonia
As of 3 January 2017, 33 dengue cases were reported, and the number of cases has been decreasing since
June 2016 (Figure 9).

[Ronan Kelly]

Dengue Situation Update Number 508
17 January 2017
Update on the Dengue situation in the Western Pacific Region

http://www.wpro.who.int/emerging_diseases/dengue_biweekly_20170117.pdf?ua=1

Northern Hemisphere
China
As of 31 December 2016, there were 2076 cases of dengue reported in China in 2016. This number is lower
than that reported during the same period in 2015 (Figure 1).

Malaysia
A total of 1903 cases of dengue were reported during week 2, which is higher than the 1663 cases reported
in the previous week (an increase of 14.4 %) (Figure 2). The cumulative number of cases reported in 2017
(3566 cases) is lower than the number of cases reported during the same period in 2016 (6837 cases) . As
of week 2, there have been a total of 5 deaths related to dengue in 2017.



Philippines (No update)
As of 5 November 2016, there were 176,411 suspected cases of dengue reported in 2016, including 422
deaths. This is 0.8% lower than that reported during the same period in 2015 (n=177,767) (Figure 3).

Singapore
In week 1, there were 70 dengue cases reported in Singapore. The cumulative number of cases in 2017
(n=70) is 12.8% lower than that reported during the same period of 2016 (n=546) (Figure 4).



Lao PDR
As of 30 December, there were 5617 cases of dengue with 10 deaths reported in Lao PDR in 2016. During
week 53, 33 new dengue cases and no deaths were reported. The number of cases is higher than the same
time period in 2014 and 2015, but has been decreasing since week 47 (Figure 5).

Viet Nam
As of 30 November 2016, there were 110,854 cases of dengue including 42 deaths reported in Viet Nam. In
November 2016, there were 15,629 cases reported including 7 deaths. Compared to October 2016, the
number of cases decreased by 2.4%. Compared to the same period in 2015, the cumulative number of
cases increased by 37.8%. Compared to the median for 2011-2015, the cumulative number of cases
increased by 79.9% (Figure 6).



Southern Hemisphere
Australia
As of 16 January, there were 22 laboratory-confirmed dengue cases reported in Australia in 2017. The
number of cases reported is less than that reported during the same time period in the previous years
(2012-2015) (Figure 7).

Pacific Islands Countries and Areas
French Polynesia
A total of 21 confirmed dengue cases were reported in French Polynesia between December 19, 2016 and
January 1, 2017 (11 cases in week 51 and 10 cases in week 52) (Figure 8). Four (18%) of the 21 cases were
confirmed as DENV-1 infection.



New Caledonia
As of 13 January 2017, 87 dengue cases were reported, indicating an increase in the number of cases since
June 2016 (Figure 9).