Listeria is a type of bacteria that infects humans as well as animals and other warm blooded things through contaminated foods or food poisoning. Image of listeria below.

This image says that pregnant women, fetuses, newborn infants, people with weakened immune systems, and adults 65 or older are at risk of getting this bacteria.  

This image shows foods hat listeria can be found in. Those foods are sprouts, deli meats and hot dogs, smoked seafood, soft cheeses, and raw milk.

The cantaloupe in this image could contain listeria and the vampire lookin dude represents its dangers. Listeria is deadly. With involvement of the brain it can cause a stroke.

Some symptoms of listeria is fever, stiff neck, confusion, weakness, vomiting and sometimes preceded to diarrhea.

To prevent listeria you should make sure to wash your hands and keep everything clean (the water drop). You also need to separate your food (the 2 arrows). Make sure food is cooked to the appropriate temperature (thermometer). Keep foods that needs to be refrigerated cold as well (the snowflake).

Listeria has an incubation period of 3-70 days. A incubation period is the period between exposure to an infection and the appearance of the first symptoms.

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