Dengue Serotype 2 Outbreak in Samoa, 2017/2018: SitRep No. 9 (18th March 2018)

Originally published


Outbreak Overview

The situational analysis of the dengue fever outbreak in Samoa as shown in the graph below portrays a continual decrease in the number of cases over the past 10 weeks. The cumulative total as of March 18th is 3,255 with a national attack rate of 16.6 per 1,000 population.

Dengue fever continues to spread geographically mostly in the Apia Urban and North West Upolu regions. Majority of those af-fected are 5 - 9 year olds which makes up 31% of the total cases. There has not been any dengue related deaths reported hence the total dengue-related mortality remains at 5.

Dengue case definition: An acute fever with any two of the following signs and symptoms: joint & muscle pains; maculo-pappular rash; severe headaches; nausea & vomiting; pains behind the eyes; bleeding and leucopenia.