Diseases, Conditions, Syndromes

Incidence of foodborne pathogens back to prepandemic levels

During 2022, the incidence of pathogens commonly transmitted through food generally increased to prepandemic levels, according to research published in the June 30 issue of the U.S. Centers for Disease Control and Prevention ...


What to know about Listeria and food recalls

Listeria is in the news again—sometimes you're warned against a particular brand of ice cream or bags of fresh produce. This time around, it's deli meat. Public health officials will raise the alarm about an infection called ...

Diseases, Conditions, Syndromes

When tapas can cause harm: Large listeriosis outbreak in Spain

Listeria bacteria are ubiquitous in the environment and consumption of food contaminated with Listeria monocytogenes is one of the main routes for food-borne outbreaks. Healthy adults might not even develop any symptoms after ...


Food recalls and sickness: What should you know?

Ice cream, strawberries, packaged salads, even peanut butter—they all have been in the news in recent months because of links to foodborne illness as reported to the Centers for Disease Control and Prevention.


Pregnancy is no picnic when it comes to listeria

Food safety is important for everybody, but it is especially important if you're expecting. Hormonal changes during pregnancy can change a pregnant person's immune system, making her more susceptible to contracting foodborne ...

Oncology & Cancer

Novel therapeutic strategy shows promise against pancreatic cancer

Pancreatic cancer is notoriously difficult to cure or even treat. Now, a new strategy devised by scientists at Albert Einstein College of Medicine has succeeded in making pancreatic tumors visible to the immune systems of ...

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Listeria is a bacterial genus that contains seven species. Named after the English pioneer of sterile surgery Joseph Lister, the genus received its current name in 1940. Listeria species are gram-positive bacilli. The major human pathogen in the Listeria genus is L. monocytogenes. It is usually the causative agent of the relatively rare bacterial disease, listeriosis, a serious infection caused by eating food contaminated with the bacteria. The disease affects primarily pregnant women, newborns, adults with weakened immune systems, and the elderly.

Listeriosis is a serious disease for humans; the overt form of the disease has a mortality rate of about 20 percent. The two main clinical manifestations are sepsis and meningitis. Meningitis is often complicated by encephalitis, a pathology that is unusual for bacterial infections. Listeria ivanovii is a pathogen of mammals, specifically ruminants, and has rarely caused listeriosis in humans.

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