What Is A Cold? What Is The Common Cold? What Causes The Common Cold?
The common cold is a viral infectious disease that infects the upper respiratory system. It is also known as acute viral rhinopharyngitis, or acute coryza. Being the most common infectious disease in humans, the cold is mainly caused by coronaviruses or rhinoviruses. The human body can never build up resistance to all the viruses that can cause the common cold. That is why colds are so common and recurring.
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Tags: causes, cold, common, efficacy
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