Oral sex can give either type the chance to infect the usual site of the other. 口交会使这两种类型有机会感染他人常用的部位。
Researchers stress that the risk of acquiring HIV through oral sex is far too low to warrant preventive tonsillectomies. 研究员强调,通过口交感染艾滋病毒的风险太低,因此预防性的扁桃体切除术并无必要。