Fatal Human Infection with Evidence of Infection Variation of Eastern Equine Encephalitis Virus, Alabama, USA, 2019

被引：8

作者：

Hughes, Holly R. ^{[1
]}

Velez, Jason O. ^{[1
]}

Davis, Emily H. ^{[1
]}

Laven, Janeen ^{[1
]}

Gould, Carolyn, V ^{[1
]}

Panella, Amanda J. ^{[1
]}

Lambert, Amy J. ^{[1
]}

Staples, J. Erin ^{[1
]}

Brault, Aaron C. ^{[1
]}

机构：

[1] Ctr Dis Control & Prevent, 3156 Rampart Rd, Ft Collins, CO 80521 USA

来源：

EMERGING INFECTIOUS DISEASES | 2021年 / 27卷 / 07期

关键词：

REPLICASE PROTEIN NSP1; WEST-NILE-VIRUS; ENCEPHALOMYELITIS VIRUS; E2; GLYCOPROTEIN; POPULATIONS; DIVERSITY; OUTBREAK; BINDING; NORTH; BLOOD;

D O I：

10.3201/eid2707.210315

中图分类号：

R392 [医学免疫学]; Q939.91 [免疫学];

学科分类号：

100102 ;

摘要：

Eastern equine encephalitis virus (EEEV) is an arbovirus in the family Togaviridae, genus Alphavirus, found in North America and associated with freshwater/hardwood swamps in the Atlantic, Gulf Coast, and Great Lakes regions. EEEV disease in humans is rare but causes substantial illness and death. To investigate the molecular epidemiology and microevolution of EEEV from a fatal case in Alabama, USA, in 2019, we used next-generation sequencing of serum and cerebrospinal fluid (CSF). Phylogenetic inference indicated that the infecting strain may be closely related to isolates from Florida detected during 2010-2014, suggesting potential seeding from Florida. EEEV detected in serum displayed a higher degree of variability with more single-nucleotide variants than that detected in the CSF. These data refine our knowledge of EEEV molecular epidemiologic dynamics in the Gulf Coast region and demonstrate potential quasispecies bottlenecking within the central nervous system of a human host.

引用

页码：1886 / 1892

页数：7

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