Which of the following describes "incubation period"? a.It is the time interval between entry of an infectious agent into the body and the appearence of the first symptoms and/or signs of the disease b.It is the time after recovery when a person can still harbor the infection c.It is the time interval through which an infected person is able to transmit the infectious agent to others d.It is the time interval between the onset of primary and secondary cases

When pathogenic microorganisms like bacteria, viruses, fungi or parasites enter the body and…

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	a.	It is the time interval between entry of an infectious agent into the body and the appearence of the first symptoms and/or signs of the disease
	b.	It is the time after recovery when a person can still harbor the infection
	c.	It is the time interval through which an infected person is able to transmit the infectious agent to others
	d.	It is the time interval between the onset of primary and secondary cases