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West Nile Virus and Other Domestic Nationally Notifiable Arboviral Diseases — United States, 2020
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5 06 2022
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Source: MMWR Morb Mortal Wkly Rep. 71(18):628-632
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Alternative Title:MMWR Morb Mortal Wkly Rep
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Description:Arthropod-borne Viruses (arboViruses) are transmitted to humans primarily through the bite of infected mosquitoes and ticks. West Nile Virus (WNV), mainly transmitted by Culex species mosquitos, is the leading cause of domestically acquired arboviral disease in the United States (1). Other arboViruses cause sporadic cases of disease and occasional outbreaks. This report summarizes passive data for nationally notifiable domestic arboViruses in the United States reported to CDC for 2020. Forty-four states reported 884 cases of domestic arboviral disease, including those caused by West Nile (731), La Crosse (88), Powassan (21), St. Louis encephalitis (16), eastern equine encephalitis (13), Jamestown Canyon (13), and unspecified California serogroup (2) Viruses. A total of 559 cases of neuroinvasive WNV disease were reported, for a national incidence of 0.17 cases per 100,000 population. Because arboviral Diseases continue to cause serious illness and the locations of outbreaks vary annually, health care providers should consider arboviral infections in patients with aseptic meningitis or encephalitis that occur during periods when ticks and mosquitoes are active, perform recommended diagnostic tTesting, and promptly report cases to public health authorities to guide Prevention strategies and messaging.
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Pubmed ID:35511710
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Pubmed Central ID:PMC9098241
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Volume:71
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Issue:18
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