Unless there is blood, open wound, likely yes. They will have to get tested and then go back in 30days

Yes, it is possible to transmit HIV through giving oral sex. While the risk of transmission is significantly lower than with other forms of sexual contact like vaginal or anal intercourse, there's still a possibility if bodily fluids come into contact with broken skin in the mouth or gums during oral sex. Using barriers such as condoms can reduce this risk further. If you have concerns about your own situation, consider consulting healthcare professionals for personalized advice and support.

If you need more detailed information on protecting yourself from STDs while engaging in any form of sexual activity feel free to ask!