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Is a negative HIV test at 5 weeks conclusive?
The time between your possible exposure to HIV (eg. unprotected sexual activity) and when you can get an accurate test result is called a “window period.” Most people who have been exposed to HIV will develop enough antibodies for an accurate test result about 4-5 weeks after the exposure.
How accurate is the Ag Ab HIV test?
Newer antigen/antibody combination tests (you might hear them called “fourth generation” tests) can find HIV in 99\% of people who are tested within 13 to 42 days of exposure. This test has become the standard HIV blood test in most labs.
Are two negative OraQuick tests conclusive?
Because there is a small margin for error, the FDA says any result that looks positive must be verified with more blood work; that’s also the case with other preliminary tests such as the OraSure. But a negative result on the OraQuick is considered virtually conclusive.
Is OraQuick accurate after 2 months?
A recent study suggests that rapid HIV tests such as OraQuick will be accurate two months after infection. OraSure says that to be safe, people should assume the OraQuick test will miss any new HIV infection contracted in the past three months.
Why would OraQuick give a false negative?
A “false negative” result occurs when an HIV-infected individual receives a test result that incorrectly indicates that he or she is not infected with HIV. How quickly will I get the results of the OraQuick Test?
Is OraQuick accurate after 1 month?
The FDA says that the approved OraQuick test is only effective after 3 months following exposure to the virus, and around 1 in 12 people will receive a false negative.
How likely is a false negative OraQuick test?
Clinical testing revealed that OraQuick would likely deliver one false negative test result for every 13 true positive test results.
What can cause false negative OraQuick?
https://www.youtube.com/watch?v=puechZDlB4s