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On 18 December 2020 the Interagency Food Safety Analytics Collaboration (IFSAC) announced the release of its 2018 annual report on the sources of foodborne illness involving the pathogens Salmonella, Escherichia coli (E. coli) O157, Listeria monocytogenes, and campylobacter. The report is significant in that it may guide future food safety oversight priorities for the U.S. Food and Drug Administration (FDA) and U.S. Department of Agriculture (USDA).
The IFSAC is an interagency group created by Centers for Disease Control and Prevention (CDC), FDA, and the USDA Food Safety and Inspection Service (FSIS) that collects and analyses foodborne-illness outbreak data for certain pathogens and specific foods that are responsible for foodborne illness in the United States.
13). For some pathogens, subdivisions into categories by serotype, patient age, or clinical manifestations of interest were included because transmission pathways were assumed to be different. For example, for
Salmonella, the 5 most common serotypes were included along with 2 groups of rarer serotypes based on a ranking of their coefficients of variation (CVs) calculated from the patients’ ages, sexes, states of residence, and the year and month specimens were obtained (group 1, lowest CVs; group 2, highest CVs) as described by Boore et al. (
14). This compilation resulted in a total of 33 pathogens and 47 target questions, or categories, for estimation. The 47 target questions were grouped into 15 panels on the basis of similarities between pathogen microbiology and ecology (Table 1).