pathogens
A micro-organism, such as a bacterium, a virus or a fungus, that invades a host and causes a disease is called a pathogen.
Bacterium
Pathogen.
An agent that causes disease, especially a living microorganism such as a bacterium or fungus.
A bioagent is a biological agent - a bacterium which can be used as a weapon in biological warfare.
The bacterium that causes and spreads the Cholera disease is Vibro Cholerae.
Q fever caused by Coxiella burnetii bacterium
A yersinia is a bacterium of the genus Yersinia, which is an agent of several diseases, most notably bubonic plague.
An Indian agent called an Indian agent
The cause of tuberculosis is the infectious agent called Mycobacterium tuberculosis. This is an aerobic bacterium that does need oxygen or air to survive.
An agent that causes disease, especially a living microorganism such as a bacterium
This bacterium is a causative agent of whooping cough disease or Pertussis. It causes the disease by infecting human respiratory system.