What is the annual incidence of Listeria infection (listeriosis) in the US?

Updated: Jan 09, 2018
  • Author: Terence Zach, MD; Chief Editor: Russell W Steele, MD  more...
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Answer

The estimated annual incidence of listeriosis is approximately 2-3 cases per million population. In the Unitied States, an estimated 1,600 people get listeriosis every year. [17]

In a study of reported listeria cases from 2009-2011, the CDC reported a case fatality rate of 21%. Almost all cases occurred in high-risk groups, including older adults, pregnant women, and people who were immunocompromised. [18]


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