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How Often Does A False Positive Occur

Here's a taste of what TheBody.com has to offer on this topic:
Ask the Experts

false positive or weakly positive hcv

why weakly positive or false positive hcv occurs?after one year of my post exposure i did hcv rapid test. i got weakly positive in one lab and negative in another lab on the same day. Again after a month i did hcv rapid test , same it differs from...
Barbara McGovern, M.D.

Response from Barbara McGovern, M.D.

Tufts University School of Medicine
False positive testing can occur with any test, simply because no lab test is perfect. There is no reason to believe that somehow your body if different. It is just the test itself. It works great in the vast majority of people. You do not need any... Read more »

HCV false positive

My friend has received a positive result from his Hepatitis C test. Can a false positive occur if... Read more »

False positives

I have heard that false positives can occur with antibody testing. Can it also occur with PCR DNA... Read more »
Articles
U.S. Centers for Disease Control and Prevention

Questions and Answers: False-Positive Oral Fluid Rapid HIV Tests

What is the significance of the reported increases in false positives when using the oral fluid HIV test in New York City sexually transmitted disease (STD) clinics? It is important to keep in mind that overall oral fluid tests have performed well.... Read more »
U.S. Centers for Disease Control and Prevention

Overview of False-Positive Oral Fluid Rapid HIV Tests

The New York City Department of Health and Mental Hygiene (NYC DOHMH) describes "False-Positive Oral Fluid Rapid Tests, New York City 2005-2008" in the Centers for Disease Prevention and Control's (CDC's) June 18, 2008 Morbidity and Mortality... Read more »
U.S. Centers for Disease Control and Prevention

Is Injection Serosorting Occurring Among HIV-Positive Injection Drug Users? Comparison by Injection Partner's HIV Status

"Research needs to build evidence for the roles that HIV status of injection partners may or may not play in injection risk behaviors of injection drug users (IDUs)," the authors wrote in introducing the current study. Using baseline data from a... Read more »
Henry J. Kaiser Family Foundation

About 25% of TB Deaths Occur Among HIV-Positive People, WHO Global TB Control Report Says

About one-quarter of tuberculosis-related deaths involve an HIV-positive person, twice as high as previous estimates , according to the Global Tuberculosis Control Report 2009 , which the World Health Organization released Tuesday to coincide with... Read more »
Connect With Others

Reasons for a false-positive?

Posted by Anonymous, 1 Reply
I made an appointment to have a rapid test done tomorrow, but am not clear if it's the blood or saliva test. My question is: what are some of the factors that could possibly create a false-positive test, particularly for the oral test? I've had... Read more »

Pregnancy and HIV false positive result

Posted by rustychaucer5968, 3 Replies
Hello everyone. I appreciate if anyone could answer my question regarding pregnancy and HIV False positive result.

My wife may be pregnant and she may be obtaing her routine blood test. I once read that if a pregnant woman was to take a HIV test, the... Read more »

Pregnant and False- positive

Posted by pregnant2009, 3 Replies
I am 9month pregnant and two weeks ago my Ob doctor ordered me a HIV test. Last week the result came in and it was positive. Then he took my blood again to confirm.
I was shocked by the result. I didn't know whether the new born baby will be... Read more »

I tested Positive, My boyfriend didnt, False positive?

Posted by ruraltgwoman, 1 Reply
I tested positive for HIV on 12/10. My boyfriend just got his results back today 12/21. His results came back negative.

We have been having unprotected sex for the last 4 years and have been together for 5. I have only been wih him during that... Read more »