Query: Hello doctor, My doctor has recommended western blot for HIV-1 and HIV-2 as a screening test. The RIBA test was negative for HIV, after 16 weeks of exposure. I also had a negative CMIA test, after 12 weeks post exposure. Hepatitis and STD panel are also negative. Is a negative western blot 100 % ac... Read Full »
HIV AIDS Specialist
Answer: Hi, Welcome to icliniq.com. Western blot is highly sensitive and specific test, which is run after a repeatedly reactive ELISA or HIV (human immunodeficiency virus) rapid test. Western blot test is not used as a diagnostic test in the absence of an initial positive screening test, due to the rar... Read Full »
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