A 28-year-old traveler is planning a trip to sub-Saharan Africa. He requires vaccination against yellow fever. Which type of vaccine is used for yellow fever?
- A Live attenuated 17D vaccine ✓
- B Inactivated whole virus vaccine
- C Recombinant subunit vaccine
- D Toxoid vaccine
Correct answer: A. Live attenuated 17D vaccine
Explanation
The yellow fever 17D vaccine is a live attenuated vaccine derived from the Asibi strain. It is highly effective, providing lifelong immunity in most recipients. It is required for entry into certain countries and recommended for travelers to endemic areas in Africa and South America. Inactivated, subunit, and toxoid vaccines are not available for yellow fever.
Reference: Plotkin's Vaccines, 8th ed.
High-yield for: NEET PGINI-CETNExTFMGEUSMLEPLABMRCP
Written and medically reviewed by the StethoPrep medical team.