sentence: Self diagnosis is common.
sentences_before: The common cold primarily affects the nose, pharyngitis primarily affects the throat, and bronchitis primarily affects the lungs. The common cold is frequently defined as inflammation of the nose and may include varying amounts of throat inflammation.
sentences_after: Isolation of the actual viral agent involved is rarely performed. It is generally not possible to identify the virus type through symptoms.
concept_name: self diagnosis
headings: Common cold Diagnosis
categories: Diseases caused by viruses