This news item is about: Northeastern dairy cattle are at risk of a new type of infection: a strain of Salmonella commonly known as Salmonella Dublin. “We used to consider Salmonella Dublin a problem of the West Coast, particularly California, but evidence indicates that it's been moving across the country,” said Kevin Cummings, an associate professor of epidemiology in the Department of Population Medicine and Diagnostic Sciences, who studies the ecology and public health implications of the bacterium. “In the Northeast, it's an emerging health problem among dairy cattle.”