What is an infectious agent

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Yogita Ingle 7 years, 6 months ago
Infectious agents are the organisms which cause disease are called as infectious agents. They obtain nourishment from the host. e.g. Bacteria, Viruses, Fungi, Protozoa, Helminths.
* Bacteria cause diseases like typhoid, cholera, tuberculosis, anthrax, pimples and peptic ulcers.
* Viruses cause the common cold, influenza, dengue fever, SARS and AIDS.
* Fungi cause skin infections.
* Protozoa causes malaria, kala – azar and sleeping sickness.
* Helminth worms cause intestinal infections or elephantiasis.
3Thank You