response: I don't know if it causes cancer, but I know there is a vaccine that can prevent up to nine different types of HPV.
original_response: I think one of the best things we can do for our children to help prevent HPV cancer is to make sure they get the vaccine. It can protect them in up to 9 types of HPV cancer.
history: Hi, I am worried about my family getting cancer.  Do you know someone who has or had cancer? No, as a bot, I don't really know people at all. But did you know there are over 100 different types of cancers in humans? Wow, that is a lot. What are the easier cancers to treat?
knowledge: Available vaccines protect against either two, four, or nine types of HPV.