Common cold
Common viral infection of the upper respiratory tract
Common cold
The common cold, or simply a cold, is a viral infectious disease of the upper respiratory tract that primarily affects the respiratory mucosa of the nose, throat, sinuses, and larynx. Signs and symptoms may appear in as little as two days after exposure to the virus. These may include coughing, sore throat, runny nose, sneezing, headache, fatigue, and fever. People usually recover in seven to ten days, but some symptoms may last up to three weeks. Occasionally, those with other health problems may develop pneumonia. When general symptoms are systemic and the disease is severe, the term "flu-like" or "influenza-like illness" can be used instead. Well over 200 virus strains are implicated in causing the common cold, with enteroviruses (especially rhinoviruses), coronaviruses, and adenoviruses being the most common. They spread through the air or indirectly through contact with objects in the environment, followed by transfer to the mouth or nose. Risk factors include going to child care facilities...
Read on Wikipedia · Image Thomas Splettstoesser (www.scistyle.com), CC BY-SA 4.0
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