Other risk reduction strategies may include abstinence, mutual monogamy, engaging in relatively safer behaviors, and STD testing before initiating sexual activity with a new partner.

• 其他可以减低感染风向的办法可能有禁欲，一夫一妻制，采取相对安全的性行为，并在新婚夫妇有性行为前进行性病检查。