Is it really necessary to retest after 6 months for HIV?
Yes
Last updated on 29 Jun 2023
They are conclusive but you can repeat the test after 90 days for best results.
No, it is not a good sign
A rapid antigen/antibody test done with blood from a finger stick can usually detect HIV 18 to 90 days after exposure
An antigen/antibody test performed by a lab on blood from a vein can usually detect HIV 18 to 45 days after exposure. There is also a rapid antigen/antibody test available that is done with a finger stick.
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