When you have listeria you usually will have flu like symptoms.
The flu like symptoms with listeria may be mild and include, headaches, muscle aches, fever, nausea, and vomiting.
The symptoms of having listeria usually happen within 2 to 30 days after being infected with listeria and if you think you may have listeria you should go see a doctor to be treated or go to urgent care or the emergency room.
If listeria is left untreated and then spreads to the nervous system the listeria can cause cause A stiff neck, disorientation, or convulsions.
And also listeria can potentially be fatal as well so get treated for the listeria if you think you may have listeria.
Listeria is especially harmful to pregnant women and the unborn baby so never eat any unpasteurized uncooked cheese when you're pregnant.