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The Common Cold

Jay Mone' jmone at marauder.millersv.edu
Mon Apr 14 11:39:23 EST 1997

Is it possible to catch the same cold twice.  Well probably, but 
unlikely in an otherwise healthy individual.  Most colds are caused by 
Rhinoviruses, which are members of the picornavirus family.  While these 
viruses are RNA viruses, their mutation rate it not very high.  
Therefore, if a person gets over a cold caused by Rhinovirus A, and then 
is re-exposed soon after, it is unlikely that the individual will become 
re-infected.  Immuity is strong against these viruses, and would be 
expected to confer significant protection against re-infection, at least 
over the short term.

Jay Mone'

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