HPV has been documented to spread through blood transfusion. So far the documented case have been people with significantly reduced immune systems, HIV patients. But the virus was shown spread this way.
http://www.rxpgnews.com/virology/Human_Papillomavirus_Could_Spread_Through_Blood_-__2872_2872.shtml
HIV patients are clearly an exception.
We’re talking about 2 different diseases.
When we’re talking about HPV and Hep B, we’re comparing apples and oranges.
There are enough dissimilarities. Bachmann will carry the day with that case.