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→Factors Involved in the Development of Disease
*#** Host defences are important in determining the presentation of the disease.
*#** Host defences are important in determining the presentation of the disease.
*#* An agent's capacity to produce disease depends upon:
*#* An agent's capacity to produce disease depends upon:
*#** The dose and /or
*#** The dose
*#** The virulence of the agent
*#** The virulence of the agent
*#* Several agents may be involved.
*#* Several agents may be involved.
*#* The presence of an agent does not necessarily mean it is the cause of the disease!
*#* The presence of an agent does not necessarily mean it is the cause of the disease!
*#* A pathogenic agent may be absent from the tissues, due to:
*#* A pathogenic agent may be absent from the tissues, due to:
*#** Clinical therapy and/or
*#** Clinical therapy
*#** Host defence systems
*#** Host defence systems
*# '''Environment''', for example:
*# '''Environment''', for example: