What is a 4th generation HIV test and how does it work?

Fourth-generation HIV tests can detect both HIV antibodies and p24 antigens, while the older tests can only check for antibodies. This means that the newer tests can identify HIV sooner. Learn more here.

Appendix 1: Different types of HIV test, Guides

Core Concepts - Acute and Recent HIV Infection - Screening and Diagnosis - National HIV Curriculum

Will the P24 antigen pick up HIV at 25 days with the 4th generation combo test? - Quora

HIV Provided Critical Lessons for Detecting New Viral Pathogens

Elecsys® HIV combi PT 4th Generation (Ag+Ab test)

HIV Test Home Test Kit - Family Planning Association

When to get tested for confirmed HIV results?

Plastic HIV Ab/Ag 4th Gen HIV Rapid Test Kit at Rs 50/piece in Kolkata

World's Fastest HIV Antibody Test