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2. Upper respiratory tract infection - Wikipedia

   en.wikipedia.org/wiki/Upper_respiratory_tract...

   An upper respiratory tract infection (URTI) is an illness caused by an acute infection, which involves the upper respiratory tract, including the nose, sinuses, pharynx, larynx or trachea. [3] [4] This commonly includes nasal obstruction, sore throat, tonsillitis, pharyngitis, laryngitis, sinusitis, otitis media, and the common cold.

3. Common cold - Wikipedia

   en.wikipedia.org/wiki/Common_cold

   The common cold is an infection of the upper respiratory tract which can be caused by many different viruses. The most commonly implicated is a rhinovirus (30–80%), a type of picornavirus with 99 known serotypes. [33] Other commonly implicated viruses include coronaviruses, adenoviruses, enteroviruses, parainfluenza and RSV. [34]

4. Pharyngitis - Wikipedia

   en.wikipedia.org/wiki/Pharyngitis

   Pharyngitis is a type of upper respiratory tract infection. [7] Most cases are caused by a viral infection. [2] Strep throat, a bacterial infection, is the cause in about 25% of children and 10% of adults. [2] Uncommon causes include other bacteria such as gonococcus, fungi, irritants such as smoke, allergies, and gastroesophageal reflux disease.

5. A common virus called hMPV recently surged. Here's why ... - AOL

   www.aol.com/common-virus-called-hmpv-recently...

   There are more than 200 different types of viruses that can cause a common cold, which is usually just a mild infection in the upper respiratory tract, hence the feeling of a sore throat, runny ...

6. Respiratory tract infection - Wikipedia

   en.wikipedia.org/wiki/Respiratory_tract_infection

   An infection of this type usually is further classified as an upper respiratory tract infection (URI or URTI) or a lower respiratory tract infection (LRI or LRTI). Lower respiratory infections, such as pneumonia, tend to be far more severe than upper respiratory infections, such as the common cold.

7. Category:Upper respiratory tract diseases - Wikipedia

   en.wikipedia.org/wiki/Category:Upper_respiratory...

   Acute upper respiratory infections (1 C, 8 P) D. ... Upper respiratory tract infection This page was last edited on 3 April 2018, at 06:47 (UTC). Text ...