Listeria (noun)

1. A genus of bacteria that can cause serious infections in humans and animals, particularly in pregnant women and their unborn children, older adults, and people with weakened immune systems.
2. A specific type of food poisoning caused by the bacteria Listeria monocytogenes.

Origin:

Named after joseph lister.

Examples:

1. Listeria can be found in raw or processed meats, unpasteurized milk and dairy products, and some fruits and vegetables.
2. Symptoms of listeria infection can include fever, muscle aches, headache, stiff neck, confusion, loss of balance, and convulsions.
3. Pregnant women, older adults, and people with weakened immune systems are at a higher risk for listeria infections.
4. Listeria can also cause serious and sometimes fatal infections in young children, frail or elderly people, and others with weakened immune systems.
5. Listeria is often associated with deli meats, soft cheeses, and unpasteurized milk.