This historic 1932 photograph showed milk being served in the cafeteria of the state tuberculosis sanatorium at Ah-Gwah-Ching, Minnesota. Public health efforts, which included a pasteurization process, insured a safe supply of milk for both patients, and staff of the sanatorium.
CDC/ Minnesota Department of Health, R.N. Barr Library; Librarians Melissa Rethlefsen and Marie Jones
December 4, 2012
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