i use condom and it didinot fail. is there any risk because my for example weakness of my defense sysytem or unknown properties of hiv virus?
That DUO test you had at 28 days is 99.89% reliable,but to adhere to official guidelines you must test again at 12 weeks.From what you have described however,it appears as though you never had a risk.Did you engage in unprotected penetrative vaginal sex or not?