Microbiology Two viral vaccines are expected to reduce the incidence of cancers. Which vaccines are these? A Adenovirus and mumps virus vaccines B HAV and poliovirus vaccines C HPV 16/18 and hepatitis B vaccines D Measles virus and rubella virus vaccines 💡 Explanation Two viral vaccines are expected to reduce the incidence of cancers. Which vaccines are these? ✓ Correct Answer: C. HPV 16/18 and hepatitis B vaccines