Syphilis together with HIV is a killer combination. Oral sex, known as 'giving head' or 'blow jobs', can transmit HIV, syphilis, and other STIs. Here he talks about the risks of oral sex. Cass Mann is one of the world's longest-term HIV-positive diagnosed gay men, now in his third decade of living with HIV, and the founder of UK's only gay men's HIV/AIDS charity Positively Healthy, which provides HIV services including education, support, and peer counselling.
