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What causes a common cold?

A common cold is caused by viruses that infect the upper respiratory tract and affect the nose, sinuses, throat (pharynx) and voice box (larynx). There are more than 200 viruses that can cause a common cold, although rhinoviruses are the most common cause.

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Author: Lauren Donley BSc (Hons)
First answered: 05 Mar 2020
Last reviewed: 19 May 2018
Rating: 4.6 out of 5
Votes: 6278 (Click smiley face below to rate)
Category: Novel coronavirus (COVID-19)

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