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The Comparison of Prions and Viruses By David Timan For Mr. Smith SBI 3U0 Wednesday, May 2, 2007 Most pathogens are organisms that are made up of a large number and variety of proteins. Fairly recently, however, it has been discovered that one type of pathogen exists outside this basic understanding of infectious diseases. Prions are simply single proteins that have the capability to wreak havoc on the cells in the brain. The most similar infectious agent to the prion is the virus and for this reason comparing these two types of pathogens is important in order to understand the prion. The comparison between viruses and prions can be best outlined by looking at the similarities and differences. Prions and viruses have a surprisingly large number of similarities. The first similarity being the way that they reproduce; both prions and viruses must enter a host cell, alter something about its protein formation and...

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