A total of 49 individuals (47 individuals in 20 states and two individuals in Canada) have, according to the latest update from the U.S. Centers for Disease Control, been infected with the outbreak strain of Salmonella Infantis linked to dry dog food, up from 22 a month ago.

Among the 24 patients with available information, 10 (42%) were hospitalized. No deaths have been reported.

Epidemiologic and laboratory investigations conducted by officials in local, state, and federal public health, agriculture, and regulatory agencies linked this outbreak to dry dog food produced by Diamond Pet Foods at a single production facility in Gaston, South Carolina.

The complete report is available at http://www.cdc.gov/salmonella/dog-food-05-12/index.html.