Test Detail
Overview
Interpreting Results

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Written by
Dr. Shreya Gupta
BDS, MDS - Oral and Maxillofacial Pathology
Reviewed by
Dr. Lalit Mohan Gupta
MBBS, MD - Microbiology
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Dengue Antibody IgG

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You need to provide
Blood
This test is for
Male, Female
Test Preparation
  1. No special preparation required

Overview


What is Dengue Antibody IgG?

It is a test used to diagnose infection with dengue virus. It is usually ordered if you have symptoms like high fever, headaches, bone pains, gum or nose bleeds which might suggest an infection with dengue virus. 

Why is Dengue Antibody IgG done?

  1. If you have signs or symptoms of dengue fever like sudden high fever, severe headaches or pain behind the eye, joint or bone pains, easy bruising or gum and nose bleeds 


Interpreting Dengue Antibody IgG results


Interpretations

  • If the dengue IgG antibody test is positive, but the IgM is low or negative, it usually indicates that a person had an infection sometime in the past 
  • If the dengue IgG antibody test titre increase fourfold or greater between an initial sample and one taken 2 to 4 weeks later, then it is likely that a person has had a recent infection 
  • Positive IgG and IgM antibody tests indicate current infection with dengue virus 
  • Negative tests for IgM and/or IgG usually mean that the person tested does not have a dengue infection 

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