Bacterial Diseases

 The variety of illnesses caused by bacteria is known as a Bacterial disease. Bacterial pneumonia was probably the leading cause of death among the elderly until the mid-20th century. Upgraded hygiene, injections and antibiotics have all reduced the death rates of bacterial infections. Though antibiotic-resistant stresses have triggered the rebirth in some sicknesses. In the early 21st century, tuberculosis, which is caused by Mycobacterium tuberculosis had developed resistance to one or more drugs and was among the deadliest infectious diseases worldwide. Most of the human diseases are caused by the Bacteria such as typhoid, cholera, diphtheria, bacterial meningitis, tetanus, Lyme disease, gonorrhea, syphilis and so on.