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What is an infectious agent?

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An infectious agent is a pathogen (germ). There are six kinds of infectious agents.

Here they are listed:

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Is the smallest infectious agent a virus?

No. The smallest infective particle is a protein called a prion.

Is the virus the smallest infectious agent?

False. Prions and viroids are the smallest infectious agents. Prions are infectious protein particles, and viroids are infectious strands of RNA. Viroids differ from viruses i
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What is the infectious agent for the disease influenza?

Influenza, or the flu, is caused by a virus. It is infectiousbecause it is transmitted by body fluids with contact to mucousmembranes and can be transmitted via the airborne r