A nurse is teaching a group of assistive personnel about airborne precautions. Which of the following statements should the nurse make?

Masks are not required when more than 3 ft from a client who requires airborne precautions.

An N95 respirator mask is required when caring for a client who has the measles.

A client who has influenza requires airborne precautions.

Clients who have varicella should be placed in a positive pressure room.