Outline the pathogenesis of tetanus.

Q: Identify the possible sources of Shigella infection.

A: A pathogen may be referred as an infectious agent that can produce diseases. They are classified…

Q: Explain how the body (including cells, organs, organ systems) is affected by the bacterium called…

A: Meningococcal meningitis is a type of meningitis caused by Neisseria meningitidis (a bacteria). This…

Pathogenicity

Infection and Transmission

The infections are generated by the pathogenic organisms present in the environment. They maintain the capacity to invade a host body and establish colonies. A disease caused by such infectious agents is called a communicable disease or transmissible disease. These diseases spread through diverse means including blood, food, water, air, or vectors.