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Friendswood, TX
A 29-year-old female asked:

I ate food that was recalled due to listeria. how soon would the bacteria show up on a blood test? possibly pregnant.

1 doctor answer1 doctor weighed in
Dr. Stephen Scholand
Infectious Disease 23 years experience
Listeria outbreak: It is quite unlikely for Listeria to show up in the blood. Most commonly a "GI illness" is what occurs - such as nausea/vomiting or diarrhea. For those who's immune system is weak - including older age, cancer, HIV/AIDs, or even pregnancy - then it's important to check professionally with a doctor for any fevers or other signs of serious illness. Listeria, when it attacks, is a serious illness.

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Last updated Nov 26, 2016

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