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In Stark Terror
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Is this true about the window period?
      #91990 - 03/12/04 08:27 PM

http://www.kcom.edu/faculty/chamberlain/Website/lectures/lecture/aids.htm

At this website it states:

Stage I ends with the production of high titers of anti-HIV antibodies at 2-3 months, postinfection. Anti-HIV antibodies are usually detectable by ELISA by 3-4 weeks.

Is there any truth to this?

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Anonymous
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Re: Is this true about the window period? new
      #91993 - 03/12/04 08:36 PM

This was taken from a web page from this WEBSITE

http://www.thebody.com/atn/374/testing.html
__________________________________________________

One major drawback of antibody tests is the "window" period: the time it takes the body to produce antibodies after infection has begun. The standard tests for HIV do not detect the virus itself, but the antibodies that the body produces in response. During the period before the antibodies are produced, a person can be infected with HIV and can infect others, but still test negative on the HIV antibody test.
For the first tests licensed, this window period ranged from six to 12 weeks, but improved technology has allowed the detection of lower levels of antibodies, making it possible to identify them earlier. "Currently used tests can detect HIV infection between three and five weeks in most individuals," Constantine says. "This is true of just about all of the ELISAs and the rapid tests [discussed further below]. Some tests are a little more consistent in detecting at the three week period, but in general they are all equivalent." To some degree, he explains, "it also depends on the individual (who may not produce antibodies as fast as another)."



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