Sir I Sex With A Sexworker Two Years Ago. And

Sir I sex with a sexworker two years ago. And i two times eliza test one time wb test and four times rapid test all tests report negative but my eliza test index value o.o43 after 1.5 years high rix and now my eliza test index value o.o7 what is mean in index value ? Am i infectet with hiv virus . Ple reply my que sir