Some people with no definite reasons are found to be highly susceptible towards the virulence of the disease causing microorganism. These kinds of hosts are referred as compromised host. The immune system of the compromised host may be susceptible to certain kinds of infection caused by non infectious microorganisms. The groups of microbes responsible for causing infection exclusively in the deficit of regular host resistance mechanism are termed as opportunistic pathogens.

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Chapter 25.4, Problem 2MQ

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Some people with no definite reasons are found to be highly susceptible towards the virulence of the disease causing microorganism. These kinds of hosts are referred as compromised host. The immune system of the compromised host may be susceptible to certain kinds of infection caused by non infectious microorganisms. The groups of microbes responsible for causing infection exclusively in the deficit of regular host resistance mechanism are termed as opportunistic pathogens.

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