Good news: they will not inject the virus into your dick
[QUOTE=Pharmaguy72;4778039]What if they have it in their mouth and give it to your Dick, does it work in reverse.[/QUOTE]Can a CV-19+ massage therapist leave the virus on your dick after touching it with her hands, mouth, or other? Yes, just like your dick could pick up traces of the virus from the table or a towel or any other infected surface it touches.
After the bonus massage activity has been completed, do not touch your dick. Let her wash it off with a hot towel -- do not then take that same towel from her and use it on your hands or face. After she has wiped off your dick with the towel, your best bet is to take a shower and wash yourself thoroughly. At the least make sure your dick has been cleaned well with the hot towel and wash your hands before you leave.
Of course, if you're in a confined space such as a small massage room with a CV-19+ massage therapist, you can still catch the virus through the air even if you are both wearing masks, though that would greatly diminish the odds. If you are not both wearing masks? Good luck. And try not to get her breathing too energetically.