If a person has no symptoms of an STD, it means that they do not have an STD.
It is not necessary to use protection during oral sex to prevent the transmission of STDs. It is only needed for sexual intercourse.
Herpes can be transmitted through contact with visible oral or genital lesions.
If a girl is taking oral contraceptive pills, she is protected from acquiring any STDs.
The only way you to protect yourself 100% against STDs is not to have sex.
