Bacterial infection.. Bacteria that cause pathogens when they enter the body or when they are present in their natural places such as the digestive system, such as intestinal bacteria

Bacterial infection is a term that includes bacteria that cause pathogens when they enter the body or when they are present in their natural places such as the digestive system, such as enterobacteriaceae, but sometimes they leave their natural location to another location due to the weakness of the immune system in the patient or when invading some tissues such as skin, To reach the bloodstream causing a case of (poisoning of blood) that lead to death and the environment and society a large role in the spread of bacterial pathogens and the occurrence of various infections in the body air pollution bacteria, especially bacteria in hospitals, such as bacteria Pseudomonas aeru ginosa, which causes tubercular infection and plays a role in ear and nose injury. These bacteria are common causes in developing countries such as Iraq.
The indiscriminate use of antibiotics in the treatment of diseases such as respiratory infections such as tonsillitis, lung and skin infections such as wounds makes it difficult to control diseases and the negative impact on the immune system.