You Are a School Nurse Teaching a Health Class About

You are a school nurse teaching a health class about the chain of infection in the transmission of sexually transmitted diseases (STDs) . Astudent asks you which part of the chain of infection can be missing when transmission occurs. What would be your best answer?

A) "Not everyone is susceptible to STDs, but they still get them."
B) "STDs can be gotten from bed linens and toilet seats, so you don't really need a reservoir."
C) "You can be missing any part of the chain of infection except the infectious agent."
D) "All parts of the chain of infection have to be present for the disease to be passed to another human."