About Listeria

From the nation’s leading law firm representing victims of listeria and other foodborne illness outbreaks.

Chapter 7

Complications of Listeria infection

Blood infection and meningitis are both complications of Listeria infection. Death is the most severe consequence of listeriosis.

For those persons who suffer a Listeria infection that does not resolve on its own, the complications (or sequelae) can be many. [4, 28] The most common is septicemia (bacterial pathogens in the blood, also known as bacteremia), with meningitis being the second most common. [4, 18] Other complications can include inflammation of the brain or brain stem (encephalitis), brain abscess, inflammation of the heart-membrane (endocarditis), and localized infection, either internally or of the skin. [18]

Death is the most severe consequence of listeriosis, and it is tragically common. [3] For example, based on 2009 FoodNet surveillance data, 89.2% of Listeria patients ended up in the hospital, the highest hospitalization rate for pathogenic bacterial infection. [10] In persons 50 years of age and older, there was a 17.5% fatality rate—also the highest relative to other pathogens. [10, 18]

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