Lucy has a highly contagious airborne respiratory infection. She is admitted into a hospital. What must her doctor do to ensure that her infection does not spread through the hospital to other patients and the hospital staff?

A.
Lucy should be treated at home and asked not to visit the hospital.
B.
Lucy should be quarantined in the hospital.
C.
Lucy should stay in a hospital room with other patients that have respiratory infections.
D.
Lucy should be told to wear a mask at all times, but be allowed to be in public.