An upper respiratory infection (URI) is inflammation in the sinuses, nose, throat, larynx, and pharynx and is most often caused by ... making them less likely to infect your respiratory system when ...

Upper respiratory infection (URI ... including your nose, sinuses, throat (pharynx), and voice box (larynx). Common types, some of which are contagious, include the common cold, influenza ...

An upper respiratory infection (URI) is a group of infections that affects any part of your upper airways, including the nose ...