Listeriosis is a bacterial infection that strikes humans and animals.
What is going on in the body?
The Listeria bacteria are often passed on to humans in certain foods. Babies may become infected with the bacteria if their mothers are infected during pregnancy or during birth.
What are the causes and risks of the infection?
The Listeria bacteria cause listeriosis. It is often spread by contaminated foods, including:
raw fruits and vegetables
unpasteurized milk and milk products
Listeriosis may also be passed from an infected mother to her baby.