Gujarat BoardEnglish MediumSTD 9ScienceWhy Do We Fall3 Marks
Question
Briefly describe:
Infectious agents.
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Answer
An infectious agent is something that infiltrates another living thing, like you. When an infectious agent hitches a ride, you have officially become an infected host. There are four main classes of infectious agents:
Bacteria.
Viruses.
Fungi.
Parasites.
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