HIV does not come out of thin air, GO TO CHURCH YOU NEED JESUS!
the facts regarding hiv transmission have been explained to you in past posts.
time to seek professional mental help.
You need to have known routes for a transmission to take place, and those routes are missing in you case,,, and HIV does not fly,, so just stop thinking about it and focus your attention towards your studies and career development.
Just for your information, proven transmission routes for HIV are,
1. Sexual
Unprotected anal and vaginal sex
2. Non-Sexual
Sharing injections and syringes for drug
Contaminated blood transfusion (not a threat anymore in developed world anymore)
Mother to child
Then there comes a bif=g Full Stop.