HIV test(EIA and ELISA)

Question

Asked for Male, 27 Years

HIV test(EIA and ELISA) What are different between EIA and ELISA hiv test. which is most recommended between these two method? is both same or not.. if different please explain the difference between two?

Answers (2)

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Dr. Soudip Saha

General Physician 5 yrs exp South 24 Parganas

Frequently done ELISA

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Dr. Shakti K Internal Medicine 24 yrs exp Delhi · Accepted Answer

Dr. Shakti K

Internal Medicine 24 yrs exp Delhi

Both ELISA and EIA are synonyms and exactly the same. For HIV, we do 4th generation Combo test, which detects HIV antibody by ELISA, and the p24 antigen. This increases the sensitivity and specificity of the test, and decreases the window period. The window period is 3 months for HIV. Nowadays all labs are doing the HIV Combo test only.

Next Steps

You have to do HIV ELISA/EIA test at these intervals following exposure - on day 0, 6 weeks, 3 months and 6 months.