Enterobacter is a genus of bacteria that are commonly found in the environment, particularly in soil, water, and the intestines of animals and humans. These bacteria are rod-shaped and can be either harmless or pathogenic, meaning they can sometimes cause infections, especially in individuals with weakened immune systems. Some species of Enterobacter, such as Enterobacter cloacae, are known to be opportunistic pathogens. They can lead to various infections, including urinary tract infections and respiratory infections. Due to their ability to develop resistance to antibiotics, Enterobacter species are of particular concern in healthcare settings.