What factors affect the HIV PCR test accuracy?

Polymerase chain reaction test (PCR) used to detect human immunodeficiency virus (HIV) is usually considered very accurate, although several factors come into the game. The test is highly sophisticated and must be read by healthcare workers who are well trained in decryption of results. In most cases, the PCR test is not used for routine HIV testing, with the exception of infants who were born to a HIV positive mother.

There are several types of HIV tests and each has its own level of accuracy. Fast response tests are usually considered the least accurate, while antibodies and PCR tests are the most accurate. Antibodies are most commonly used because they are extremely reliable when used at least three months after potential exposure. The accuracy of the HIV PCR test is not fully understood, but under certain circumstances they are considered relatively accurate for use. The first includes the skills of laboratory staff reading the test. PCR tests use progressLive screening methods to capture HIV genetic material rather than antibodies. It is not an easy test for reading and decryption, so many false results can be caused by a human error. When testing HIV.

should only do those who are fully trained and experience with reading and performing a test

Another variable is the time between when a person is exposed to virus and testing. While both PCR tests and antibodies can usually detect traceable virus levels within a few weeks after exposure, both tests are the most accurate after three months after exposure. Regardless of which type is used, the subsequent test is always performed to ensure that the results are as accurate as possible.

The use of the PCR test for HIV is not routine in most situations, so the commentary is difficult and expensive. Many laboratories do not have the right equipment for performing these tests. PCR test can be used in newbornCů born to HIV positive mother, because antibodies from the mother's bloodstream can continue to appear in the blood tests of an infant for several months after birth, even if it is HIV-negative. This makes the test accuracy more reliable in these cases.