What is normal value of NS1 antigen?
What is normal value of NS1 antigen?
An NS1 Ag level varies from 0.5-2 μg/ml in acute-phase serum samples, to less than 0.04 μg/ml in convalescent phase serum [11].
Is dengue NS1 test accurate?
The accuracy of the NS1 antigen rapid test is considered high with sensitivity 55%-82% and specificity 97%-100%. Since the NS1 rapid test aims to detect dengue NS1 antigen, it should be performed within 5 days of onset of fever.
What is IgM and IgG blood test?
Immunoglobulin G (IgG), the most abundant type of antibody, is found in all body fluids and protects against bacterial and viral infections. Immunoglobulin M (IgM), which is found mainly in the blood and lymph fluid, is the first antibody to be made by the body to fight a new infection.
Where is IgA found?
Immunoglobulin A (IgA) is an antibody that’s part of your immune system. IgA is found in mucous membranes, especially in the respiratory and digetive tracts. It is also found in saliva, tears, and breastmilk.
Does WBC decrease in dengue?
A systematic review found that patients with dengue had significantly lower total WBC, neutrophil, and platelet counts than patients with other febrile illnesses in dengue-endemic populations.
What is NS1 antigen test?
Dengue NS1 antigen test is an easy to perform, rapid and specific test is needed to confirm infection during the acute phase of the infection in order to implement appropriate treatment during the early course of the disease.
What is dengue positive IgG?
Positive IgM and IgG tests for dengue antibodies detected in an initial blood sample mean that it is likely that the person became infected with dengue virus within recent weeks .
What is dengue NS 1?
NS1 ELISA. The non-structural protein 1 (NS1) of the dengue viral genome has been shown to be useful as a tool for the diagnosis of acute dengue infections. Dengue NS1 antigen has been detected in the serum of DENV infected patients as early as 1 day post onset of symptoms (DPO), and up to 18 DPO.
