Answer
The HPV-9 vaccine protects against 9 strains (types) of human papillomavirus. These 9 strains may cause up to:4
- 92% of cervical cancers
- 75% of anal cancers
- 57% of penile cancers
- 72% of vaginal cancers
- 25% of head and neck cancers
- 90% of genital warts
4 https://myhealth.alberta.ca/Alberta/Pages/immunization-human-papillomavirus.aspx
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