PostHeaderIcon Dengue

 This page was last updated on 25.07.2017

Current Dengue statistics

Total samples Lab confirm

Pattern of serotype


Dengue Diagnosis / testing

Dengue virus Real time PCR Test (qualitative assay) available at MRI

Brief guideline for sending - samples


Time of Sample collection

Sample type/ Volume/ Container

Test Availability

Transport and short term storage

Very brief history is mandatory highlighting the day of illness which the blood was collected for testing


Fill all the other fields in the request form very clearly.

Container should be properly labeled.




Sample should be collected

with-in first five days of illness (early sample)


Late samples (after day 6 of illness) should not be accepted for the Dengue PCR test




Blood in EDTA tube or plain red top tube,

minimum 2mL volume


Heparinized or very low volume samples

(< 2 mL) may not be accepted for testing


The assay is performed minimum of

2 times per week depending on the test volume

Specimen should be transported to the laboratory at 2 to 8°C as soon as possible,

 if in delay they may be stored in the refrigerator at 2 to 8°C up to 2 days before being tested



Dr.(Ms) J.I. Abeynayake

Consultant Medical Virologist

Department of Virology

Medical Research Institute

Telephone +94 71 9900940