Hi, I am 31 years old male. Just had my first shot for gardasil 9 last week.a week later I was engaged with mutual masterbating who is hpv positive. What is the chance that I am getting hpv from him?
Why do you think they are "hpv positive"? HPV at this point is extremely common. There are double digit number of strains also. Some transmit easier than others. This post that is from a medhelp expert doctor is really helpful to give you facts. You can copy and paste it into your browser. https://www.medhelp.org/posts/STDs/Frottage--Mutual-Masturbation---Any-HPV-Genital-Warts-risks/show/2084251 They state that it is unlikely to be transmitted in this way, as hands to genital transmission is very rare.
There is some effectiveness to one dose of the vaccine - https://www.webmd.com/sexual-conditions/hpv-genital-warts/news/20191227/could-1-dose-of-hpv-vaccine-be-enough#1
It can take 1-2 weeks to develop any immunity after the first dose of the vaccine - https://www.chop.edu/centers-programs/vaccine-education-center/questions-answers-about-hpv-and-vaccine