This patient support community is for discussions relating to Infectious Diseases,such as: MRSA, Staph, Herpes Zoster/Shingles, Varicella (chicken pox), Coxsackievirus, CMV, Foodborne/Waterborne, Meningitis, C diff and other
How accurate are PCR test results for HIV. At what point in time are they the most accurate? Additionally, how likely is for someone to have contracted HIV through protected vaginal intercourse in which I could visibly see the ejaculated sperm in the tip of the condom?
In polymerase chain reaction there is detection of genetic material of HIV, instead of the antibodies in blood. It can help detect HIV much earlier compared to antibody tests. A PCR test can tell whether you have HIV much sooner than the antibody test .It is more expensive but more definitive. There are many new tests which check for HIV antigen, a protein produced by the virus immediately after infection. This test is useful for confirming the diagnosis within few days after infection. Early diagnosis can help in initiating early treatment and can prevent further transmission to others. The chances of acquiring HIV can vary and it may be difficult to confirm the exact figures. Any contact of semen, vaginal secretions of HIV infected person can lead to transmission. Do contact your healthcare professional for more details.
Best wishes and regards!
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