A 36-year-old female asked:
how accurate are igg blood test for herpes for person never having an outbreak? partner tested positive for hsv2.
1 doctor answer
Dr. Hunter Handsfield answered
52 years experience Infectious Disease
It depends...: The HSV IgG blood tests are good but not perfect. With the most common test (HerpeSelect®), strong positive (HSV2 index 3.5 or more) is proof of infection, regardless of symptoms. Negative (under 0.9) also is conclusive. Index >1.1 is officially positive, but many results 1.1-3.5 are false. Other IgG tests less well studied. Such uncertainties are why HSV blood tests often are controversial.
Answered on Apr 27, 2017
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