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Danielle M. Tack
According to data recently released by the Network for Active Surveillance of Foodborne Diseases, or FoodNet, the incidence of most foodborne infections increased last year in the United States. United.
The increases included a nearly four-fold increase in Cyclospora infections, and increases in case of Campylobacter and Salmonella, the researchers reported today in MMWR. They said the increases were at least in part due to the increased use of rapid diagnostic tests, which may allow faster treatment of patients, but leave important gaps in the data.
"Although culture-independent diagnostic tests, such as syndromic panels, give faster results than culture, they do not provide information on antimicrobial resistance", Danielle M. Tack, DVM, an epidemiologist from the Division of Foodborne Diseases, Waterborne and Environmental CDC, said Infectious Diseases News. "In addition, some independent tests of culture are falsely positive. Prompting a reflex culture when these tests are positive can help inform treatment, detect outbreaks, and facilitate diagnosis when symptoms do not match the test results. "
FoodNet is monitoring 10 sites in the United States for laboratory-diagnosed infections caused by Campylobacter, Cyclospora, Listeria, Salmonella, Producing Shiga toxin Escherichia coli (STEC), Shigella, Vibrio and Yersinia transmitted by food. Overall, the surveillance program identified 25,606 infections, 5,893 hospitalizations and 120 deaths related to foodborne illnesses in 2018.
FoodNet has identified 25,606 infections, 5,893 hospitalizations and 120 deaths related to food-borne illnesses in 2018.
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according to Tack and his colleagues, Campylobacter the highest incidence of infection, followed closely by Salmonella. More specifically, the incidence of infection in Campylobacter was 19.5 cases per 100,000 population, Salmonella was 18.3, STEC was 5.9, Shigella was 4.9 Vibrio was 1.1 Yersinia was 0.9 Cyclospora was 0.7 and Listeria was 0.3.
When the researchers compared 2018 to 2015-2017, they observed a significant increase in infections. In particular, infections caused by Cyclospora increased by 399%, "partly related to major product-related epidemics," wrote Tack and his colleagues. Infections of Vibrio increased by 109%, Yersinia 58%, STEC 26%, Campylobacter 12% and Salmonella 9%.
The researchers also evaluated serotyped isolates of Salmonella and found that the most common ones were Enteritidis, Newport and Typhimurium. Similar to the 2015-2017 isolated data, the incidence of infection among Salmonella Enteritidis was 2.6, for Salmonella Newport 1.6 and for Salmonella Typhimurium 1.5 in 2018. No decrease in the incidence of infections caused by Salmonella Enteritidis has been around for more than 10 years, reported Tack and his colleagues.
Since 2013, Campylobacter were the most commonly identified foodborne infections through FoodNet. Poultry is the main source of diarrheal infection. Similarly, poultry and eggs are an "important" source of Salmonella Enteritidis.
The researchers emphasized the need to obtain, subtype and report isolates of people likely to have been exposed to a foodborne illness.
"Targeted prevention measures are needed on production farms, livestock farms and in meat and poultry processing plants to make food safer and reduce the risk of disease." number of human diseases, "said Tack. "DCC works closely with regulators, who, together with industry, develop and implement measures to make our food safer." – by Marley Ghizzone
Reference:
Tack DM, et al. MMWR morb Deadly Wkly Representative. 2019; doi: 10.155585 / mmwr.mm6816a2.
Disclosures: The authors do not report any relevant financial information.
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