References. 1  Shmerling RH. 2  LeBlond RF, et al., eds. 3  Muscle cramps. 4  Sprains, strains and other soft tissue injuries.
Harmful bacteria that cause bacterial infections and disease are called pathogenic bacteria. Bacterial diseases occur when pathogenic bacteria get into the body and begin to reproduce and crowd out healthy bacteria, or to grow in tissues that are normally sterile.armful bacteria may also emit toxins that damage the body. Common pathogenic bacteria and the types of bacterial diseases they cause include: Escherichia coli and Salmonella cause food poisoning. Helicobacter pylori cause gastritis and ulcers. Neisseria gonorrhoeae causes the sexually transmitted disease gonorrhea.
Infectious Diseases. Among the almost infinite varieties of. microorganisms, relatively few cause disease in. otherwise healthy individuals. Microorganisms that cause disease are known as. pathogens. Infectious disease results from the interplay. between those few pathogens and the defenses. of the hosts they infect. The appearance and severity of disease resulting. from any pathogen depends upon the ability of.