CDC – Listeria and People with Weakened Immune Systems

CDC

It rarely affects people who have a strong immune system. Most young, healthy adults won’t get sick from Listeria.

Illustration of a person laying in a hospital bed with an IV.
But it can cause serious illness and even death if you have a weakened immune system. This is because a weakened immune system isn’t as able to recognize and get rid of harmful germs like Listeria.

75% of people who get sick from Listeria have health conditions that can weakened their immune system, such as cancer and heart or kidney disease.

People with weakened immune systems who get Listeria almost always have to be hospitalized, and, sadly, 1 in 6 die.

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