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West Nile Virus and Other Nationally Notifiable Arboviral Diseases — United States, 2016
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Jan 12 2018
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Source: MMWR Morbidity Mortal Weekly Rep. 67(1):13-17.
[PDF-160.08 KB]
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Description:Arthropod-borne Viruses (arboViruses) are transmitted to humans primarily through the bites of infected mosquitoes and ticks. West Nile Virus (WNV) is the leading cause of domestically acquired arboviral disease in the continental United States (1,2). Other arboViruses, including La Crosse, Powassan, Jamestown Canyon, St. Louis encephalitis, and eastern equine encephalitis Viruses, cause sporadic cases of disease and occasional outbreaks. This report summarizes Surveillance data reported to CDC for 2016 for nationally notifiable arboViruses. It excludes dengue, chikungunya, and Zika Viruses, as these are primarily nondomestic Viruses typically acquired through travel. Forty-seven states and the District of Columbia (DC) reported 2,240 cases of domestic arboviral disease, including 2,150 (96%) WNV disease cases. Of the WNV disease cases, 1,310 (61%) were classified as neuroinvasive disease (e.g., meningitis, encephalitis, acute flaccid paralysis), for a national incidence of 0.41 cases per 100,000 population. After WNV, the most frequently reported arboViruses were La Crosse (35 cases), Powassan (22), and Jamestown Canyon (15) Viruses. Because arboviral Diseases continue to cause serious illness, maintaining Surveillance is important to direct Prevention activities.
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Pages in Document:5 pdf pages
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Volume:67
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Issue:1
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