Brucellosis Having made the discovery that the bacteria were certainly nearly identical and perhaps totally so, Evans then wondered why Malta fever was not widely diagnosed or reported in the United States. She began to wonder whether many cases of vaguely defined febrile illnesses were in fact caused by the drinking of raw (unpasteurized) milk. During the 1920s, this hypothesis was vindicated as it was found that although raw milk causes no problems most of the time, there is greater risk and unpredictability about when and where the foodborne illness exceptions may strike. Such illnesses ranged from undiagnosed and untreated GI
Raw milk pathogen risk. Producers of raw milk for sale to consumers must be registered. Raw milk must either be collected by the purchaser from the producer's farm or delivered to the purchaser's home. Raw yak milk is allowed to ferment overnight to become yak butter. Some cheeses are produced with raw milk although local statutes vary regarding what if any health precautions must be followed such as aging cheese for a certain amount of time. A thick mixture known as Syllabub was created by milkmaids squirting milk directly from a cow into a container of cider, beer, or other beverage. Raw