Use the following formula to explain the relationships among theseveral factors and what happens when they change:Infection (infectious disease) = No. of organisms × Virulence _____________________________________ Host resistance
Pathogenicity
Infection and Transmission
The infections are generated by the pathogenic organisms present in the environment. They maintain the capacity to invade a host body and establish colonies. A disease caused by such infectious agents is called a communicable disease or transmissible disease. These diseases spread through diverse means including blood, food, water, air, or vectors.
Use the following formula to explain the relationships among the
several factors and what happens when they change:
Infection (infectious disease) = No. of organisms × Virulence
_____________________________________
Host resistance
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