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It varies depending on the particular type of test they do and how long the person has had the virus. Because the most common tests look for antibodies, you have to have had the virus for awhile for the test to be able to pick up on it.

If someone contracted the virus over three months ago most tests are 99.7% accurate at that point.

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Q: How accurate is the aids blood test?
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Related questions

If while getting a blood test the pillow on which you put your arm on had blood stains on it can you get aids if you touched the blood?

No you can't but you can get AIDS if the person that left the blood had AIDS.


What is the purpose of performing the preliminary test for blood?

to test for aids


Is a blood test for pregnancy accurate eleven days before a period?

A blood test is accurate at any time.


Can you get a negative home pregnancy test and a positive blood test?

Yes. The home tests aren't accurate and only the blood test is the accurate one.


How can you tell if you have aids?

To check on the presence of aids requires a blood test.


Is it true in some people HIV was unable to be known in blood test up AIDS?

Depends on what type of blood test you take. Regular blood tests do not show AIDS, unless you ask for the facility to look for it. If you have a blood test done for, as an example, being a blood donor, then they will look for AIDS


Which of the following tests is most useful in determining the presence of AIDS antibodies?

The first blood test for AIDS was developed in 1985. At present, patients who are being tested for HIV infection are usually given an enzyme-linked immunosorbent assay (ELISA) test for the presence of HIV antibody in their blood.


How soon can you tell you have aids?

A blood test is required to verify.


Can you get AIDS during a random blood test if the needle is not changed?

yea if the person before you has aids or STD


In New South Wales do they check for the HIV virus and AIDS when taking a blood test for pregnancy?

You should discus this with you Doctor. They do not automatically test blood for H I V or AIDS unless told to


Can you find out if you have hiv through a diabetes blood test?

NO, in fact a normal AIDS test doesn't even test for the virus itself, it test as to whether or not your body is making the antibodies to the virus. a HIV, AIDS test is separate from other blood tests and must be asked for specifically.


What is a better test for alcohol breath or blood?

Blood is always more accurate as it is a direct test - breath is indirect.