Threads like these have been started before, they all go the same way -
There'll be a plethora of posters gaslighting you, telling you they have slept with over 1000 escorts since the Cold War; recieved bbj, performed DATY, DIGITS, rimmed them all, and never got an STI.
While this may be true for them (assuming they actually get tested), despite what many on here will say - yes, you can recieve an STI through oral sex ... Believe it or not, even with a reputable agency girl.
Infact, most of the leolist girls will only perform a shallow, (usually covered) blowjob, so you're probably more likely to contract it from an agency girl, who does bbj with presumably the majority of customers she comes in contact with.
To elaborate, think of how fast it could spread: In your case, you recieved the infection, fortunately you get tested regularly and have symptoms quick... What about the guy who recieves it, doesn't get tested (ever) and goes and sees the same girl you saw. She gave him a bbj, uses mouthwash before seeing you, then deepthroats your shit.
Now, this is a risk every in the hobby must subconsciously know they're taking. The ones who say getting an STI from bbjs is impossible from reputable agencies are either lying to you, or themselves.
Are you repeating with any of the ladies who you saw around your assumed infection period?
Are you performing daty / digits?
Do you wash your hands after digits & before touching your genitals?
Are you getting PS from any of the ladies?