HIV Diagnostics has improved over the years with the inclusion of immunoassays and advanced genetic RNA test for the most accurate results

 

HIV Diagnostics

HIV immunoassays are a new generation of technologies designed to aid in the HIV Diagnostics conformation. The HIV test comes in many variants; the most commonly used one is the HIV-1 viralogen EIA or Entosis Assay. In an EIA, a panel of four antigens is combined to identify the presence of HIV antigens in a sample of infected blood. This test is quite accurate and reliable for in-depth evaluation of HIV antigens and DNA in various fluids. There are three other types of HIV tests - the Enzyme-Titer HIV test, the Virus-blocking HIV test, and the DNA probe testing HIV test.

The most recent addition to the range of HIV Diagnostics is the Bacterial Vaginosis Assay. This is a DNA test used to detect the presence of the genetic material associated with HIV, such as the genetic material represented by DNA fragments. This is the first-ever rapid test for HIV and hepatitis c. Due to the high level of accuracy and the ease of use for this particular HIV test, the use of the BV Assay is now being utilized in clinical settings worldwide.

An alternative to DNA testing, the HIV Advanced tests employ genetic RNA tests, which are slower to run than the RDS tests and more sensitive than the HIV-1 polymerase chain reaction (PCR's). The reason for this increased sensitivity is the greater affinity of HIV antibodies to specific strains of the virus. The results from an HIV rapid diagnostic test are faster and more reliable than those from any other source. Unlike DNA tests, HIV test can only identify the type of strain of HIV and not the level of infection, making it unable to provide information on individuals who appear to be HIV-free yet have a low titer. Recently, in September 2020, Roche received the U.S. Food and Drug Administration (FDA) approval for the cobas HIV-1/HIV-2 Qualitative Test for use on the fully automated cobas 6800/8800.

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