What is dengue IgM, IgG, and NS1?

Dengue IgM and IgG are types of antibodies produced by the body's immune system in response to dengue infection. IgM (Immunoglobulin M) antibodies are usually detectable within a few days after symptom onset and indicate recent infection. IgG (Immunoglobulin G) antibodies develop later, persist for an extended period, and indicate past infection or previous exposure to the dengue virus. The NS1 antigen is a viral protein secreted by the dengue virus during the early stages of infection. It is used as a marker in diagnostic tests to detect active dengue infection. By combining the NS1 test with IgM and IgG antibody tests, healthcare professionals can obtain a comprehensive picture of the stage and history of the infection, aiding in accurate diagnosis and appropriate management of dengue.