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Window periods are based on averages or statistics from studies. Different HIV tests have different window periods. As HIV testing technology improves, window periods may become more specific or even get shorter. HIV tests used in British...

If I have HIV, what are the chances that my HIV test will still show negative? To find out, drag the slider to the number of days since you think you were exposed to HIV.   0 days > 100 days 0days Probability of...

Background In a previous update we described the window periods of different HIV tests in BC. In this update we will focus on pooled nucleic acid amplification testing (pooled NAAT), which can detect HIV an average of 10-12 days after...

Syphilis testing The primary method for diagnosing syphilis is through serologic testing. However, in certain situations, it may be appropriate and clinically-indicated to perform one of the direct tests (i.e. swab of a lesion). ...

There are a lot of new test technologies in the pipeline: both new types of tests in the works, such as rapid syphilis tests or point-of-care HIV viral load testing, and new ways to use existing tests, such as self-testing or online...

Understanding the window period of HIV tests - time from infection to a positive result - is important in order to provide appropriate information to clients, including when to test after a possible exposure to HIV. Progress in HIV testing...

On Tuesday, March 1st (10:00 AM PST), Drs. Mark Gilbert and Daniel Grace will give a webinar on "Implementing the 'early' HIV test in Vancouver: from acute diagnosis to undetectable identity". Topic What is the impact of “early” HIV...

Background Lymphogranuloma venereum (LGV) is a sexually transmitted infection caused by Chlamydia trachomatis serovars L1, L2 and L3.  Though LGV was first reported in BC in 2004, there has been a significant increase in the number of...

Background Since 2009, BCCDC has been using a more sensitive HIV test (known as the NAAT - nucleic acid amplification test) for patients who present for HIV testing at several clinics in downtown Vancouver.   These clinics - the BCCDC...

“My patient had a positive Neisseria gonorrhoeae urine nucleic acid amplification test (NAAT), but a negative Chlamydia trachomatis NAAT.  Why do I have to treat for both?” The treatment of choice for gonorrhea is a third-generation...

The British Columbia Centre for Disease Control (BCCDC) is often asked to comment on infectious diseases in the province. Questions about sexually transmitted infections (STIs) are common, and often get attention from both the public and...

Is the hiv test rna naat?
Hello, I have a question regarding HIV - 1 RNA PCR NAAT test taken here in British Columbia. Is this test quantitative or qualitative? What is the test's threshold of copies/mL? Thanks
Is there any walk in clinic where I could go for a HIV NAAT test without appointment.
I tested negative for all STIs and NAAT HIV at HIM clinic 8 weeks after receiving unprotected oral sex. My NAAT tests and STI results after 4 weeks at Bute Clinic and after 6 weeks at the Main STI clinic were also negative. Can I trust...
Why do men and women get different types of HIV tests? On https://getcheckedonline.com/Pages/What-can-I-test-for.aspx it says: "If you are female, you will get a standard antibody blood test, and you should wait 4 to 6 weeks after...
Is there a clinic where I can get STI testing with no appointment. My friend told me that only some clinics have access to new HIV tests that are accurate earlier. Could u suggest where I could go for an HIV test 3 week after a possible...
High risk exposure with high risk individual. All typical symptoms but testing as follows. 10 day PCR RNA negative, 30 day duo CMIA negative, 65 day duo negative, 82 day duo CMIA negative and 84 day PCR RNA negative again. Can I be now 100...
Where can i do the early RNA HIV test?
Is hiv 1 RNA qualitative PCR after 8 months gives 100 per accuracy r not