Dengue

Also called Dengue fever

Notification class
Class 2 notifiable diseaseHealth care providers report it weekly, on a line listing, to the Medical Officer of Health at their parish health department.
Category
Vector-borne diseases

Case definition

Acute onset of fever plus at least two of the following:

Vomiting or nausea, rash, headache or retro-orbital pain, arthralgia and/or myalgia, hemorrhagic tendencies (petechiae, positive tourniquet test), leukopenia.

Specimen

Serum specimen in red top tube on ice.

Laboratory

National Public Health Lab

Timeline for investigation

48 hours

Source: National Surveillance Manual

How it’s monitored

Each week the bulletin gives suspected, probable and confirmed cases by week of symptom onset, set against the seasonal mean and the medium, high and very high activity levels, and dengue-related deaths by date of death. Only PCR positive cases are counted as confirmed; IgM positive cases are probable.

The figures

The National Surveillance Unit publishes the latest figures every week.

For health professionals