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The incidence rate for salmonella decreased by around 22 percent in the United States in 2020 compared to the average annual incidence rate from 2017 to 2019. The COVID-19 pandemic is probably at least partly responsible for this decrease in incidence of many pathogens commonly transmitted through food. This statistic illustrates the percentage change in incidence of select pathogens in the United States from 2017-19 to 2020.
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Percentage change in incidence of select pathogens transmitted commonly through food in the United States from 2017-19 to 2020*
Characteristic
Percentage change in incidence
Campylobacter
-23%
Salmonella
-22%
STEC
-37%
Shigella
-41%
Yersinia
-10%
Vibrio
-25%
Listeria
-27%
Cyclospora
-17%
-45%-40%-35%-30%-25%-20%-15%-10%-5%0%
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CDC. (September 24, 2021). Percentage change in incidence of select pathogens transmitted commonly through food in the United States from 2017-19 to 2020* [Graph]. In Statista. Retrieved November 14, 2025, from https://www.statista.com/statistics/1267137/incidence-change-for-select-foodborne-pathogens-in-the-us/
CDC. "Percentage change in incidence of select pathogens transmitted commonly through food in the United States from 2017-19 to 2020*." Chart. September 24, 2021. Statista. Accessed November 14, 2025. https://www.statista.com/statistics/1267137/incidence-change-for-select-foodborne-pathogens-in-the-us/
CDC. (2021). Percentage change in incidence of select pathogens transmitted commonly through food in the United States from 2017-19 to 2020*. Statista. Statista Inc.. Accessed: November 14, 2025. https://www.statista.com/statistics/1267137/incidence-change-for-select-foodborne-pathogens-in-the-us/
CDC. "Percentage Change in Incidence of Select Pathogens Transmitted Commonly through Food in The United States from 2017-19 to 2020*." Statista, Statista Inc., 24 Sep 2021, https://www.statista.com/statistics/1267137/incidence-change-for-select-foodborne-pathogens-in-the-us/
CDC, Percentage change in incidence of select pathogens transmitted commonly through food in the United States from 2017-19 to 2020* Statista, https://www.statista.com/statistics/1267137/incidence-change-for-select-foodborne-pathogens-in-the-us/ (last visited November 14, 2025)
Percentage change in incidence of select pathogens transmitted commonly through food in the United States from 2017-19 to 2020* [Graph], CDC, September 24, 2021. [Online]. Available: https://www.statista.com/statistics/1267137/incidence-change-for-select-foodborne-pathogens-in-the-us/
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