"A sanatorium (also spelled sanitarium or sanitorium) is a medical facility for long-term illness, most typically associated with the treatment of tuberculosis (TB) in the late-nineteenth ...
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and early-twentieth century before the discovery of antibiotics. A distinction is sometimes made between "sanitarium" or the east-European "sanatorium" (a kind of health resort, as in the Battle Creek Sanitarium) and "sanatorium" (a hospital)." - (en.wikipedia.org 20.05.2021)
