You searched for: “phthisiophobia
phthisiophobia, phthisophobia (s) (noun) (no plural)
An uncontrollable apprehension about getting tuberculosis, or of being around those who have it: Pete's roommate in the hospital was a patient who was infected with tuberculosis, and so Pete pleaded with his doctor to move him into a room away from the sick man because he had a phthisiophobia, or a morbid fear of being infected with the other guy's TB.