Upper respiratory tract infection
Medical condition / From Wikipedia, the free encyclopedia
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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.[5]: 28 Most infections are viral in nature, and in other instances, the cause is bacterial.[6] URTIs can also be fungal or helminthic in origin, but these are less common.[7]: 443–445
Upper respiratory tract infection | |
---|---|
Conducting passages | |
Specialty | Infectious disease |
Frequency | (2015)[1] |
Deaths | 3,100[2] |
In 2015, 17.2 billion cases of URTIs are estimated to have occurred.[1] As of 2016, they caused about 3,000 deaths, down from 4,000 in 1990.[8]