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While the common cold may be caused by over 200 distinct and continually evolving viral pathogens; rhinoviruses, coronaviruses and respiratory syncytial viruses appear to be some of the most common (Turner 2009; Nussenbaum 2010; Worrall 2011; CDC 2012C)

While the common cold may be caused by over 200 distinct and continually evolving viral pathogens; rhinoviruses, coronaviruses and respiratory syncytial viruses appear to be some of the most common (Turner 2009; Nussenbaum 2010; Worrall 2011; CDC 2012C).

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