Upper respiratory infections (URI's) illnesses develop due to acute infection, most often a virus but also, potentially, bacteria. The nose, larynx, pharynx, and sinuses are affected by URIs. Symptoms range from the common cold to laryngitis or sinusitis, but most infections pass after a week or two. Upper respiratory infections can affect anyone, regardless of age, race, or gender.


1. How Common Are Upper Respiratory Infections?

URIs are the most common reason for visits to the doctor. A study shared by the National Centre for Biotechnology Information confirmed between 80%-90% of patients who visit the doctor do so because of one or more URI symptoms such as coughing, sneezing, and a stuffy or runny nose.

URI Upper respiratory infections

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