Hi sir my question is,my last exposure is 27/10/2019 , today was 23 months ago but my doubt is After 2 month rapid Elisa test negative Same time ictc method was negative 3 month elisa 0.12 3 month rna pcr tnd 3 month rapid antibody test negative 7 month rapid antibody test negative 11 month tridot negative 12 month ag ab 0.174 negative 15 month rna pcr tnd 18 month antibody negative 22 month anti ag ab 0.214 negative And after 23 month cd4:cd8 ratio 2.69 My doubt is my future hiv is turn to possitive,I do it other test,why is my cd8 low?? Please help I cant sleep