http://alegent.iqhealth.com/atoz/ColdFlu/difference.htm
WHAT IS THE DIFFERENCE BETWEEN A COLD AND THE FLU?
Although both colds and influenza are caused by a virus, they are not the same
disorder. The common cold can be the result of one or more of over 200
different viruses capable of causing an infection once they invade the body.
Influenza or the flu is caused by multiple strains of two types of single
family viruses that change their characteristics every year. The types are
conveniently call
