Fact 1: Some viruses can cause cancer.

Fact 2: Human papillomavirus vaccine is aimed at the cause of most cases of cervical cancer.

Given the two facts above, answer the question "Vaccines that offer protection from cervical cancer target " with the following options: 
- animals
 - organ
 - health
 - glioblastoma
 - bacteria
 - measles
 - it's state
 - viruses


 

        viruses 