Mixed news from preliminary 2014 FoodNet surveillance data

| May 19, 2015

nhsggc_news_Ecoli_largeThe US Centers for Disease Control and Prevention (CDC) has published preliminary data for 2014 from the Foodborne Diseases Active Surveillance Network (FoodNet), which monitors the incidence of laboratory-confirmed foodborne infections in 10 different geographic areas.

A total of 19,542 infections were recorded over the year, with 4,445 hospitalisations and 71 deaths. The most common cause of infection was Salmonella (38%), closely followed by Campylobacter (33%). The figures represent only a small fraction of the real incidence of foodborne disease in the USA, which CDC estimates at 48 million cases and 3,000 deaths each year.

The incidence of E. coli O157 infections was down against both the baseline period of 2006-2008 and the years from 2011-2013, suggesting some success in the implementation of control measures. However, while the incidence of the most common Salmonella serotype (Typhimurium) was down, other serotypes, notably Javiana and Infantis, showed significant increases over the 2011-13 period.

Reports of non-O157 STEC infections also increased, possibly as a result of more widespread testing, while significant rises in the incidence of Vibrio and Campylobacter infections were also noted.

A report on the latest data is published in the CDC journal Morbidity and Mortality Weekly Report and can be found in full here.

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