I had sex with a csw on 25 th jan 2021. I had mild rash and fever on 19 march. Rash on 29 march 2021. I still have red lesion on my finger and arms and leg. It comes and goes. After 77 days hiv tridot test non reactive. After 165 days hiv tridot again non reactive. After 227 days hiv duo non reactive (0.13) .i am worrying because I have taken covishield and I feel that vaccine can alter my result. And also I had taken acne treatment which included isotroin 20 mg. It has been 8 months and I don't feel any problem.