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| 1. |
What is an infectious agent |
| Answer» 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. | |