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California Serogroup Virus Infection Associated with Encephalitis and Cognitive Decline, Canada, 2015

Duncan Webster, Kristina Dimitrova, Kimberly Holloway

    Emerging Infectious Diseases
    |July 21, 2017
    PubMed

    Insights

    California serogroup (CSG) viruses cause serious illness. A New Brunswick case highlights potential underdiagnosis of these mosquito-borne pathogens in Canada.

    Area of Science:

    • Arbovirology
    • Infectious Diseases
    • Neurology

    Background:

    • California serogroup (CSG) viruses are mosquito-borne pathogens.
    • CSG viruses, including Jamestown Canyon virus and snowshoe hare virus, can cause febrile and neurologic illnesses.

    Observation:

    • Human CSG virus exposures are reported throughout Canada.
    • Infections are likely underdiagnosed.

    Findings:

    • This study details a case of neuroinvasive illness in a New Brunswick, Canada patient.
    • The patient was infected with a CSG virus.

    Implications:

    • This case underscores the importance of recognizing CSG virus infections in Canada.
    • Increased awareness and diagnostic efforts may be needed for these underdiagnosed arboviruses.
    Keywords:
    BunyaviridaeCalifornia serogroup virusCanadaJamestown Canyon virusManitobaNew BrunswickOrthobunyavirusarboviruscognitive declinecognitive impairmentfebrile illnessmeningitis/encephalitismosquito-borneneurologic diseasesnowshoe hare virusvector-borne infectionsviruses

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