Well, let me first tell you hat it is the most common sexually transmitted disease over the world. Here are the answers;
1- Do not panic. Once / year is enough
2- Condoms are protective
3- Oral sex can transmit the diseaes if HPV infection is involving external genitalia and if secretions are out of vagina
4- There is anew vaccine for HPV, but it is for females who do not have the disease
Wish you the best
Dr. Wail