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Experiment 11: Fomite Transmission

There are three elements necessary for the spread of infection. First there has to be a source of an infective organism. This source can be endogenous or exogenous. Endogenous sources of infection reside on or in the host’s body. In contrast exogenous sources arise from outside. Second there has to be a mode of transmission. Described in below are the three primary modes of transmission, vertical, horizontal or contact. Lastly there has to be a susceptible host. Susceptibility of the host to infection generally is determined by the integrity of the host’s immune system and their ability to fend off the infective organism. (Alonzo, p.79) What Increases Host Susceptibility to Infection Susceptibility to infection is always a battle between the…