Alice Catherine Evans service worker was protected by law. Alice became interested in the disease brucellosis and its relationship to fresh, unpasteurized milk. Alice's investigation focused on the organism "Bacillus abortus", known to cause miscarriages in animals. Alice learned that the microbe thrived in infected cows as well as animals that appeared healthy. The reports hypothesized that since the bacteria was found in cow's milk, a threat to human health was likely. Evans decided to investigate this; she wondered whether the disease in cows could be the cause of undulant fever in humans. She reported her findings to the Society of American Bacteriologists
Human milk bank bank in the US. The 1960’s saw a decline in milk banking because of recent advances in neonatal care and baby formula. Despite these new advancements, in 1980 the World Health Organization and the United Nations Children’s fund maintained their position that donor breast milk is the best alternative to the mother’s breast milk. The practice of milk banking declined further with the HIV epidemic. The need for stringent screening increased the cost of operating milk banks, forcing them to close doors. Improved screening methods and standardization of procedure have made donated milk a viable alternative to mother’s breast milk.