A member asked:

Hello doc .my husband is dengue igg positive and negative for igm and ns1 ...theory state that igg has a recent onset and will persist for life?

A doctor has provided 1 answer
Dr. John Chiu answered

Specializes in Allergy and Immunology

No: Au contraire, IgG indicates past exposure and usually indicates the presence of some protection against that organism. And yes it may last forever albeit may decline in level over time. IgM on the other hand indicated an active infection. Don't worry, be happy. If your husband is sleepy and does not happen to be one of Snow White's dwarves, it is not from Dengue.

Answered 11/28/2017



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