The 9-valent HPV vaccine (Gardasil 9) protects against which HPV types in addition to types 6, 11, 16, and 18?
- A Types 31, 33, 35, 39, 51
- B Types 45, 52, 56, 58, 59
- C Types 31, 33, 45, 52, 58 ✓
- D Types 26, 53, 66, 68, 73
Correct answer: C. Types 31, 33, 45, 52, 58
Explanation
Gardasil 9 (9-valent HPV vaccine) covers HPV types 6, 11, 16, 18 (same as Gardasil 4) PLUS five additional high-risk oncogenic types: 31, 33, 45, 52, and 58. These nine types together account for approximately 90% of cervical cancers and 90% of genital warts. Types 31, 33, 45, 52, and 58 together cause approximately 15% of cervical cancers not covered by the 4-valent vaccine.
Reference: Shaw's Textbook of Gynaecology, 17th ed.
High-yield for: NEET PGINI-CETNExTFMGEUSMLEPLABMRCP
Written and medically reviewed by the StethoPrep medical team.