目前知道的HPV就有100多种.大约60%的HPV导致手脚等处的皮肤疣.

而另外近40%的HPV型是通过性传播的(to the body's mucous membranes, such as the moist layers around the anal and genital areas).
我们正常人都可能接触到和被感染过.而且可能自己都不知道.所幸的是人体有自我清除力.
The only way to absolutely avoid the risk of HPV infection is to abstain from sex.