Answer:
the infectious agent that can be transmitted from the infected host to a new host, that disease is considered to be Communicable period
The relevant pathogens that may be viruses, the bacteria, or the fungi. Many common infections can be spread by the airborne transmission are the tuberculosis, the influenza, the small pox. Waterborne diseases are caused by the pathogenic microorganisms and most of commonly transmitted through the contaminated fresh water
Influenza - A disease that is mainly caused by the virus and the infects the nose, throat, and the lungs. Influenza can cause severe illness and also life-threatening complications in many other people. Legionellosis - An infection that caused by the bacterium Legionella pneumophila.
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