By: Xavier Reeves

Here is 3 reasons why bacteria is harmful to humans.

  • Some bacterias cause major diseases, such as tuberculosis, plague, syphilis, and cholera.
  • It may involve an internal organ, as in bacterial pneumonia (infection of the lungs) or bacterial meningitis (infection of the membrane covering the brain and spinal cord).
  • Some bacteria, such as pneumococcus (noo-mo-KOK-us), which is also called Streptococcus pneumoniae, almost always cause illness if they get into the body.