A nurse is talking with the parents of a 2-month-old infant who have chosen to not immunize the infant. Which of the following responses should the nurse make?

"The provider can give you a referral for your baby to see an infectious disease provider."

"Your baby's immunizations should be up to date before they are able to travel with you by airplane."

"You don't have to immunize your baby against diseases that are no longer common."

"Let's talk about what you already know about immunizing your baby."