WAIT...so that means if you use toothpaste as lube you can't catch HIV?
the more you know...
1. The factsheet does not say you can get HIV from a toothbrush with blood on it. You cannot get HIV this way. This is for various reasons, firstly a toothbrush usually has toothpaste on it which would kill the virus.
Source: http://i-base.info/qa/2221