Editing Common cold (section)

==Diagnosis==
The distinction between viral [[upper respiratory tract infections]] is loosely based on the location of symptoms, with the common cold affecting primarily the nose (rhinitis), throat (pharyngitis), and lungs (bronchitis).<ref name=CE11/> There can be significant overlap, and more than one area can be affected.<ref name=CE11/> Self-diagnosis is frequent.<ref name=Eccles2005/> Isolation of the viral agent involved is rarely performed,<ref name=E51>Eccles pp. 51–52</ref> and it is generally not possible to identify the virus type through symptoms.<ref name=Eccles2005/>