I'm feeling really stressed and confused about a recent potential HIV exposure. I had protected sex with a prostitute on December 26th, 2021, and today is January 17th, 2022. I've been reading a lot about symptoms online, and it's freaking me out. I took an HIV test (4th generation abag p24) on the 10th day after the exposure, and it came back non-reactive, with an index value of 0.12. Does this mean I'm in the clear, or do I need to take another test on the 28th day, like my doctor suggested? He mentioned that if I'm negative on the 28th day, I can just move on, but I'm still unsure. Can you help clarify this for me?