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Doctor insights on: Syphilis Serology Test

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Is hiv-1-pcr quantitative and HIV RNA PCR quantitative same tests?can DNA PCR test be quantitative?

Is hiv-1-pcr quantitative and HIV RNA PCR quantitative same tests?can DNA PCR test be quantitative?

HIV testing: Yes. Viral testing can be qualitative or quantitative. Most HIV RNA testing is quantitative. ...Read more

Serology (Definition)

The scientific study of blood serum & other bodily fluids. In practice, it usually refers to identifying antibodies in the serum, which are typically formed in response to an infection (against a microorganism), against other foreign proteins (for example, to proteins in a mismatched blood transfusion), or to one's own proteins (in ...Read more


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Will STDs be detected in urinalysis, syphilis serology tests?

Will STDs be detected in urinalysis, syphilis serology tests?

Depends.: In an normal urinalysis they do not test for stds. But you can use the same urine sample to test for chlamydia or gonorrhea. When they take blood for the syphilis test, the can also test for HIV and hep c, but not for chlamydia or gonorrhea. In summary, to have a "full std panel", you need to give both blood and urine. ...Read more

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Hiv 7months ELISA test negative 100% accurate?

Hiv 7months ELISA test negative 100%  accurate?

No: If positive, it will be followed up with a confirmatory test. If negative, you are almost certainly okay but if you are very worried you might be able to pay for a pcr assay, which is the gold standard. ...Read more

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Positive HIV screener test at blood donation... Negative IFA and Negative NAT... False positive?

Positive HIV screener test at blood donation... Negative IFA and Negative NAT... False positive?

Yes: The initial screening test for HIV is very sensitive, but not very specific. The back up screening tests are much more specific for HIV. ...Read more

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Would ghonnorea or clamidia cause false positive HIV ELISA test?

Possible: The elisa test can be affected by different infections, causing a false-positive result. After any positive elisa, a follow-up test is performed by a 'western blot' which takes longer to perform, but gives a more sensitive answer. If you or someone you know had a positive HIV by elisa, they absolutely need the follow-up testing (including a full std/sti work up). ...Read more

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Is RNA PCR test for HIV accurate?

Is RNA PCR test for HIV accurate?

Yes: The nucleic acid test for HIV becomes positive about 20 days after exposure to the virus. ...Read more

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Tested positive for Lyme disease IgM but my western blot test came back negtive?

Tested positive for Lyme disease IgM but my western blot test came back negtive?

Then it's not Lyme: Lyme disease can be tricky -and you want to make sure you see someone like an Infectious Diseases doctor who knows how to treat it. The diagnosis is actually based on clinical findings, and the lab testing is generally 'supportive'. Since you're Western blot is negative, then it's very unlikely you have Lyme. There are other diseases that could cause 'Lyme-like' symptoms -and good to get evaluated ...Read more

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Would HPV cause a false positive HIV ELISA test?

Would HPV cause a false positive HIV ELISA test?

It shouldn't: Hpv shouldn't cause a false positive elisa. But see what the follow up western blot shows. ...Read more

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What causes false positive HCV antibody test results?

What causes false positive HCV antibody test results?

Misinformed?: Who told you that your hep c test was false? If you have no viral load that means you cleared an infection. Are you sure you are getting the right advice? ...Read more

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Can an HIV antibody screening test be positive but the western blot negative?

Can an HIV antibody screening test be positive but the western blot negative?

Yes: There are 2 reasons for this kind of result: (1) a false positive, or (2) early infection before seroconversion. In someone at low risk for HIV without symptoms, another negative WB in 1 month means there's no infection. In someone at risk or with symptoms of acute infection, a viral load can be helpful. The new 4th generation antigen/antibody tests will eliminate this problem. ...Read more

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Can MS cause false positive ELISA HIV test?

Can MS cause false positive ELISA HIV test?

No: MS does not affect blood tests, and specifically does not cause positive ELISA HIV test, See infectious disease doctor. ...Read more

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Tested false positive ELISA HIV test last month. Negative ifa and western blot and naat. 2 negative oraquick all 1 1/2 year post exposure. Hiv?

Negative: If nat was negative at 6 months after exposure you not likely to have hiv. Given all the negative test results, you should not worry about the one apparently false positive. ...Read more

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Vdrl weekly reactive, tpha negative and HIV negative then?

VDRL is non specific: Negative tpa (alteplase) indicate no syphilis . You may need to repeat test. It will be better practice protected sex. ...Read more

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Can a vdrl test detect hiv?

Can a vdrl test detect hiv?

VDRL is for syphilis: No - HIV testing is a separate test. VDRL is a test for syphilis. If you've had an exposure, you might be getting tested for multiple diseases. Hopefully your doctor explained that... It's always good to be safe -that's the best key to health. Syphilis is treatable and can be cured. HIV can be well managed with daily medicines, but can be fatal over time if not diagnosed. Hope this helps. ...Read more

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Does 3 Hiv negative test confirms your HIV negative?

Need details: A single nucleic acid test after the interval during which this becomes positive is proof enough that you are not infected. You're young. I trust you'll play safe from now on, and if you continue to have obsessive thoughts that you have become infected, sit down with your physician or someone who's trained in helping you get back into control of these unwanted and unhelpful thoughts. ...Read more

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What can cause false positive ELISA HIV tests?

What can cause false positive ELISA HIV tests?

Unknown: There is not any real or valid answer to this. It is unknown. The only known reason would be previous participation in a specific HIV vaccine trial where some form of antibody response. But in one who have not so participated the answer is unknowable. ...Read more

Dr. Hunter Handsfield
535 doctors shared insights

Syphilis (Definition)

A sexually transmitted infection that can cause serious health problems if ...Read more