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What Is Virulence and What Factors Have an Effect on the Virulence

question 25

Essay

What is virulence and what factors have an effect on the virulence of viral infections? Explain why host susceptibility is such an important consideration in viral virulence.


Definitions:

Parasympathetic System

The Parasympathetic System is a branch of the autonomic nervous system responsible for conserving energy and promoting "rest and digest" bodily functions.

Synaptic Vesicle

Small structures within neurons that store neurotransmitters for release at the synapse.

Synaptic Cleft

The small gap between the presynaptic and postsynaptic neurons, across which neurotransmitters are released to communicate signals.

Presynaptic Membrane

A region of the neuron that releases neurotransmitters in response to an action potential.

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