Infections with bacteria in the genus Salmonella are the second most common cause of foodborne illness in Europe. They cause gastroenteritis that can sometimes be acute, but in some susceptible populations they may have more serious effects. This article presents salmonellosis and ways of preventing the disease.

Listeriosis is a foodborne disease caused by a bacterium, Listeria monocytogenes. This bacterium is frequently associated with minor digestive problems including diarrhoea. However, serious forms can affect susceptible populations such as pregnant women, the elderly and immunocompromised people. Below is a description of this disease and advice on how to avoid it.