Arboviruses in North Dakota, 2003–2006

Anderson, John F.; Main, Andrew J.; Armstrong, Philip M.; Andreadis, Theodore G.; Ferrandino, Francis J.

doi:10.4269/ajtmh.14-0291

Cited by 34 publications

(40 citation statements)

References 83 publications

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“…20 CVV was isolated during 11 of the 18 years of mosquito testing and representative viruses were selected from each of these years in 50 locations throughout Connecticut (Figure 1 , which reflects fluctuating levels of virus activity among years. 20 We also sequenced six CVV strains obtained from North Dakota during 2005, 21 an earlier CVV isolate from Connecticut in 1979, 22 and the prototype strain of Playas virus from Ecuador in 1975. 23 Portions of the S and L segments were sequenced from viral strains from Manitoba, Canada 1981 (N = 1), New Jersey 1982 (N = 1), and Oregon 1969 (N = 1).…”

Section: Methodsmentioning

confidence: 99%

Emergence of a New Lineage of Cache Valley Virus (Bunyaviridae: Orthobunyavirus) in the Northeastern United States

Armstrong¹,

Andreadis²,

Anderson³

2015

The American Society of Tropical Medicine and Hygiene

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Abstract. Cache Valley virus (CVV; Family Bunyavidae, Genus Orthobunyavirus) is a mosquito-borne zoonosis that frequently infects humans and livestock in North and Central America. In the northeastern United States, CVV transmission is unpredictable from year-to-year and may derive from the periodic extinction and reintroduction of new virus strains into this region. To evaluate this possibility, we sequenced and analyzed numerous CVV isolates sampled in Connecticut during an 18-year period to determine how the virus population may change over time. Phylogenetic analyses showed the establishment of a new viral lineage during 2010 that became dominant by 2014 and appears to have originated from southern Mexico. CVV strains from Connecticut also grouped into numerous sub-clades within each lineage that included viruses from other U.S. states and Canada. We did not observe the development and stable persistence of local viral clades in Connecticut, which may reflect the episodic pattern of CVV transmission. Together, our data support the emergence of a new lineage of CVV in the northeastern United States and suggest extensive dispersal of viral strains in North America.

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Section: Methodsmentioning

confidence: 99%

Emergence of a New Lineage of Cache Valley Virus (Bunyaviridae: Orthobunyavirus) in the Northeastern United States

Armstrong¹,

Andreadis²,

Anderson³

2015

The American Society of Tropical Medicine and Hygiene

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“…1 JCV was first isolated in 1961 from a pool of Culiseta inornata mosquitoes in Jamestown Canyon, CO. 6 Since then, the virus has been isolated from various mosquito species (e.g., Aedes, Coquillettidia, Culex, and Culiseta species) in the northeastern, midwestern, and western United States. [6][7][8][9][10][11][12][13][14][15][16][17][18][19] JCV neutralizing antibodies have been found in various mammals throughout mainland North America, 13,[20][21][22][23][24][25][26][27][28][29][30][31][32][33][34][35][36] and identified in humans throughout the United States. [1][2][3][4][5]34,[37][38][39][40][41] JCV is a member of the California serogroup viruses, which include La Crosse virus (LACV), California encephalitis virus, and snowshoe hare virus.…”

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confidence: 99%

Jamestown Canyon Virus Disease in the United States—2000–2013

Pastula¹,

Johnson²,

White³

et al. 2015

The American Society of Tropical Medicine and Hygiene

118

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Abstract. Jamestown Canyon virus (JCV) is a mosquito-borne orthobunyavirus in the California serogroup that can cause an acute febrile illness, meningitis, or meningoencephalitis. We describe epidemiologic and clinical features for JCV disease cases occurring in the United States during 2000-2013. A case of JCV disease was defined as an acute illness in a person with laboratory evidence of a recent JCV infection. During 2000-2013, we identified 31 cases of JCV disease in residents of 13 states. The median age was 48 years (range, 10-69) and 21 (68%) were male. Eleven (35%) case patients had meningoencephalitis, 6 (19%) meningitis, 7 (23%) fever without neurologic involvement, and 7 (23%) had an unknown clinical syndrome. Fifteen (48%) were hospitalized and there were no deaths. Health-care providers and public health officials should consider JCV disease in the differential diagnoses of viral meningitis and encephalitis, obtain appropriate specimens for testing, and report cases to public health authorities.Jamestown Canyon virus (JCV) is a mosquito-borne orthobunyavirus that causes an acute febrile illness, meningitis, or meningoencephalitis.

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“…Aedes vexans (VEX) is very abundant in southern Quebec. This species has some vector competence for WNV [27,28,29], EEE [23], SSHV [28] and JCV [23,28,30]. It spawns primarily in the temporary or more permanent aquatic areas that may form in agricultural areas and wetlands [31].…”

Section: Introductionmentioning

confidence: 99%

Mapping the Vector Abundance of Endemic Mosquito-Borne Diseases in Southern Quebec

Allostry¹,

Ludwig²,

Kotchi³

et al. 2020

Preprint

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Background: Climate change is increasing the dispersion of mosquitoes and the spread of viruses of which some mosquitoes are the main vectors. This increases the risk of humans coming into contact with infected mosquitoes and developing diseases with sometimes fatal consequences. In Quebec, the surveillance and management of endemic mosquito-borne diseases, such as West Nile virus or Eastern equine encephalitis, could be improved by mapping the areas of risk supporting vector populations. However, there is currently no active tool tailored to Quebec that can predict annual mosquito population abundances.Methods: Our modelling approach is designed to meet this need. Four species of mosquitos were studied in this project for the period from 2003 to 2014 for the southern part of the province: Aedes vexans (VEX), Coquillettidia perturbans (CQP), Culex pipiens-restuans group (CPRg) and Ochlerotatus stimulans group (STMg) species. We used a mixed linear regression approach to model the abundances of each species or species groups as a function of meteorological and land cover variables.Results: The best models incorporate, for CPRg, the agricultural land, grassland and woodland classes and the average minimum temperature in September of the previous year; for STMg, the urban and woodland classes and the mean precipitation in June; for CQP, urban areas and the mean precipitation in January and August; and finally, for VEX, the agricultural land class and the mean precipitation in January, February and September.Conclusions: The models proved to be robust and precise over almost the entire study area, and the presence of significant climate variables for each of the species or species groups makes it possible to consider their use in predicting long-term spatial variations, based on climate and landscape change, in the abundance of mosquitoes potentially harmful to public health in southern Quebec.Manuscript intended for publication in International J. of Health Geographics

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Arboviruses in North Dakota, 2003–2006

Cited by 34 publications

References 83 publications

Emergence of a New Lineage of Cache Valley Virus (Bunyaviridae: Orthobunyavirus) in the Northeastern United States

Emergence of a New Lineage of Cache Valley Virus (Bunyaviridae: Orthobunyavirus) in the Northeastern United States

Jamestown Canyon Virus Disease in the United States—2000–2013

Mapping the Vector Abundance of Endemic Mosquito-Borne Diseases in Southern Quebec

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