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Does Herpes always show up on an STD screening?
Does the Herpes virus always show up on an STD screening?
i had a full screening on the 28-09-2011 where they took both blood and pee. And got the all clear.
I then started and new relationship in October, and last weekend my girlfriend had most symptoms for herpes and when to the doctors and she has the virus, does this mean i gave it to her, she swears she hasn't cheated on me. how ever i have no symptoms or visible signs of the virus.
Thanks
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There are several tests that are used to diagnose herpes. Some are more accurate than others and lots of people need to be tested more than once. There is a possibility that the virus will not show up in a blood test, and a positive result is not always indicative that a person has genital herpes. Firstly, after the first exposure to herpes, a person may take several weeks to develop the antibodies that the test looks for. Usually, it takes two weeks to three months after exposure to herpes for antibodies to appear in the blood. Some blood tests detect antibodies sooner than others. However, once antibodies are found they remain in the body for life. Secondly, blood tests cannot tell the difference between the two types of herpes, HSV-1 and HSV-2. For this reason, anyone seeking an accurate diagnosis of genital herpes must be sure to get a "type-specific" serologic test, which can accurately distinguish HSV-2 from HSV-1 antibodies. Most commercially available kit assays currently cannot make this distinction despite their claims.
So to properly answer your question, No, it does not ALWAYS show up on the tests.
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