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A 61-year-old male asked:

What is the significance of a positive igm & igg in a patient of typhoid after the patient is asymptomatic? does the patient need further treatment?

1 doctor answer4 doctors weighed in
Dr. John Chiu
Allergy and Immunology 58 years experience
Not necessarily: The IgM may be a residual of the recent infection, the IgG indicates long-term protection. If you have no symptoms otherwise, no further treatment is needed. If the IgM remains elevated months from now, then it may indicate the presence of a persistent low-grade infection.
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Last updated Jul 29, 2018

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