Risk factors associated with seropositivity to California serogroup viruses in humans and pet dogs, Quebec, Canada

Jamestown Canyon and snowshoe hare viruses are two emerging human pathogens associated with cases of neuroinvasive disease in North America. This study aimed to identify environmental and individual risk factors for seropositivity to these arboviruses in humans and pet dogs from Québec, Canada, 2012...

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Published in:Epidemiology and infection Vol. 146; no. 9; pp. 1167 - 1176
Main Authors: Rocheleau, J. P., Michel, P., Lindsay, L. R., Drebot, M., Dibernardo, A., Ogden, N. H., Fortin, A., Arsenault, J.
Format: Journal Article
Language:English
Published: Cambridge, UK Cambridge University Press 01.07.2018
Subjects:
Animal bites
Animals
Aquatic insects
California Serogroup Viruses
Canyons
Coniferous forests
Cross-Sectional Studies
Deer
Diagnostic systems
Dog Diseases - epidemiology
Dog Diseases - etiology
Dogs
Ecological risk assessment
Encephalitis, California - diagnosis
Encephalitis, California - epidemiology
Encephalitis, California - etiology
Encephalitis, California - veterinary
Environmental risk
Epidemiology
Female
Humans
Insect bites
Invasiveness
Logistic Models
Male
Mosquitoes
Multivariate Analysis
Odds Ratio
Odocoileus virginianus
Original Paper
Pets
Positron emission tomography
Public health
Public Health Surveillance
Quebec
Risk analysis
Risk Factors
Seroconversion
Seroepidemiologic Studies
Sex differences
Viruses
Wildlife management
Quebec
Canada
California
United States > US
North America
Quebec Canada
Connecticut
dogs
risk assessment
Arboviruses
California encephalitis virus
public health
ISSN:0950-2688, 1469-4409, 1469-4409
Online Access:Get full text
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Summary:Jamestown Canyon and snowshoe hare viruses are two emerging human pathogens associated with cases of neuroinvasive disease in North America. This study aimed to identify environmental and individual risk factors for seropositivity to these arboviruses in humans and pet dogs from Québec, Canada, 2012–2014. In humans, areas with moderate densities of white-tailed deer (Odocoileus virginianus) were associated with higher odds of seropositivity compared with areas with low densities of white-tailed deer (OR 2.50, P = 0.009) and odds of seropositivity were higher in males than in females (OR 2.03, P = 0.016). Among humans reporting more than 10 mosquito bites weekly, the odds of being seropositive were 4.44 times higher (P = 0.004) for people living in hardwood forested areas. Exposure to areas with coniferous forests was identified as the main environmental risk factor for seroconversion in dogs (OR 2.39, P = 0.04). These findings may help target further public health research, diagnostic and surveillance efforts in Canada.
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ISSN:0950-2688
1469-4409
1469-4409
DOI:10.1017/S0950268818001000