There Are Many Types of HPV,and the Available Vaccines Don't

Multiple Choice

There are many types of HPV,and the available vaccines don't (can't) cover all of them.However,the vaccine is still recommended for helping to control the disease caused by the virus.Why?

A) The vaccine covers strains frequently associated with development of cancerous states.
B) The vaccine gives cross-protection against bacterial STIs.
C) The protection initiated against some strains of the virus gives cross-protection to a lesser extent against all HPV strains.
D) The vaccine specifically and only provides protection against HPV types that produce genital warts.