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Is ELISA test for HIV 1 & 2 antibodies conclusive after 8-9 weeks of exposure? Does NON-REACTIVE mean NEGATIVE?

1 doctor weighed in
Dr. Gehrig Harris
Family Medicine

In brief: ELISA for HIV

The ELISA test is not conclusive after any amount of time.
The ELISA is a screening test and if it comes back positive, a Western blot will need to be done. Non-reactive is a good thing to be and it does mean that you are negative for HIV virus. Although there is a window period when you can have the HIV virus but still have a nonreactive result. Another test may be needed in that case. Suerte

In brief: ELISA for HIV

The ELISA test is not conclusive after any amount of time.
The ELISA is a screening test and if it comes back positive, a Western blot will need to be done. Non-reactive is a good thing to be and it does mean that you are negative for HIV virus. Although there is a window period when you can have the HIV virus but still have a nonreactive result. Another test may be needed in that case. Suerte
Dr. Gehrig Harris
Dr. Gehrig Harris
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