<sod>Sinusitis is a common condition.<ref name=Ros2015/> It affects about between 10% and 30% of people each year in the United States and Europe.<ref name=Ros2015>{{cite journal|last1=Rosenfeld|first1=RM|last2=Piccirillo|first2=JF|last3=Chandrasekhar|first3=SS|last4=Brook|first4=I|last5=Ashok Kumar|first5=K|last6=Kramper|first6=M|last7=Orlandi|first7=RR|last8=Palmer|first8=JN|last9=Patel|first9=ZM|last10=Peters|first10=A|last11=Walsh|first11=SA|last12=Corrigan|first12=MD|title=Clinical practice guideline (update): adult sinusitis executive summary.|journal=Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery|date=April 2015|volume=152|issue=4|pages=598–609|pmid=25833927|doi=10.1177/0194599815574247}}</ref><ref>{{cite book|last1=Adkinson|first1=N. Franklin|title=Middleton's allergy : principles and practice.|date=2014|publisher=Elsevier Saunders|location=Philadelphia|isbn=9780323085939|page=687|edition=Eight|url=https://books.google.ca/books?id=vT9YAQAAQBAJ&pg=PA687}}</ref> Women are more often affected than men.<ref>{{cite web |title=Sinusitis |url=https://www.niaid.nih.gov/topics/sinusitis/Pages/Index.aspx |publisher=U.S. National Institute of Allergy and Infectious Diseases |accessdate=6 April 2015 |date=April 3, 2012}}</ref> Chronic sinusitis affects approximately 12.5% of people.<ref name=Ham2011>{{cite journal | author = Hamilos DL | title = Chronic rhinosinusitis: epidemiology and medical management | journal = The Journal of Allergy and Clinical Immunology | volume = 128 | issue = 4 | pages = 693–707; quiz 708–9 | date = October 2011 | pmid = 21890184 | doi = 10.1016/j.jaci.2011.08.004 }}</ref> Treatment of sinusitis in the United States results in more than 11 billion USD in costs.<ref name=Ros2015/> The unnecessary and ineffective treatment of viral sinusitis with antibiotics is common.<ref name=Ros2015/><eod>
<sod>Sinusitis is a common condition.<ref name=Ros2015/> It affects between about 10% and 30% of people each year in the United States and Europe.<ref name=Ros2015>{{cite journal|last1=Rosenfeld|first1=RM|last2=Piccirillo|first2=JF|last3=Chandrasekhar|first3=SS|last4=Brook|first4=I|last5=Ashok Kumar|first5=K|last6=Kramper|first6=M|last7=Orlandi|first7=RR|last8=Palmer|first8=JN|last9=Patel|first9=ZM|last10=Peters|first10=A|last11=Walsh|first11=SA|last12=Corrigan|first12=MD|title=Clinical practice guideline (update): adult sinusitis executive summary.|journal=Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery|date=April 2015|volume=152|issue=4|pages=598–609|pmid=25833927|doi=10.1177/0194599815574247}}</ref><ref>{{cite book|last1=Adkinson|first1=N. Franklin|title=Middleton's allergy : principles and practice.|date=2014|publisher=Elsevier Saunders|location=Philadelphia|isbn=9780323085939|page=687|edition=Eight|url=https://books.google.ca/books?id=vT9YAQAAQBAJ&pg=PA687}}</ref> Women are more often affected than men.<ref>{{cite web |title=Sinusitis |url=https://www.niaid.nih.gov/topics/sinusitis/Pages/Index.aspx |publisher=U.S. National Institute of Allergy and Infectious Diseases |accessdate=6 April 2015 |date=April 3, 2012}}</ref> Chronic sinusitis affects approximately 12.5% of people.<ref name=Ham2011>{{cite journal | author = Hamilos DL | title = Chronic rhinosinusitis: epidemiology and medical management | journal = The Journal of Allergy and Clinical Immunology | volume = 128 | issue = 4 | pages = 693–707; quiz 708–9 | date = October 2011 | pmid = 21890184 | doi = 10.1016/j.jaci.2011.08.004 }}</ref> Treatment of sinusitis in the United States results in more than 11 billion USD in costs.<ref name=Ros2015/> The unnecessary and ineffective treatment of viral sinusitis with antibiotics is common.<ref name=Ros2015/><eod>