Jamestown Canyon virus


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Related to Jamestown Canyon virus: West Nile virus, West Nile fever, Powassan virus, WNV

James·town Can·yon vi·rus

a member of the California group of arboviruses (family Bunyaviridae), which has been associated with a mild febrile illness in humans in North America.
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Evidence for transovarial transmission of Jamestown Canyon virus in Ohio.
Louis encephalitis virus, and four new states reported their first Jamestown Canyon virus disease cases in 2015.
Jamestown Canyon virus disease cases continue to be reported from new locations (e.g., Tennessee) following the implementation of routine Jamestown Canyon virus antibody testing at CDC in 2013 (6).
(%) Age group (yrs) <18 2 (25) 18-59 3 (38) [greater than or 3 (38) equal to] 60 Sex Male 6 (75) Female 2 (25) Period of illness onset January-March 2 (25) April-June 1 (13) July-September 2 (25) October-December 3 (38) Clinical syndrome Nonneuroinvasive 0 (0) Neuroinvasive 8 (100) Encephalitis 8 (100) Meningitis 0 (0) Acute flaccid 0 (0) paralysis ([dagger]) Outcome Hospitalization 8 (100) Death 4 (50) * Five unspecified California serogroup virus disease cases in addition to the La Crosse virus and Jamestown Canyon virus disease cases were reported.
(%) Age group (yrs) <18 4 (27) 0 -- 18-59 4 (27) 4 (57) [greater than or equal to] 60 7 (47) 3 (43) Sex Male 13 (87) 4 (57) Female 2 (13) 3 (43) Period of illness onset January-March 0 -- 0 April-June 1 (7) 7 (100) July-September 13 (87) 0 -- October-December 1 (7) 0 -- Clinical syndrome Nonneuroinvasive 0 -- 0 -- Neuroinvasive 15 (100) 7 (100) Encephalitis 13 (87) 4 (57) Meningitis 2 (13) 3 (43) Acute flaccid paralysis ([dagger]) 0 -- 0 -- Outcome Hospitalization 14 (93) 6 (86) Death 5 (33) 0 -- * Three California serogroup virus disease cases in addition to the La Crosse virus disease cases were reported, including two caused by Jamestown Canyon virus and one unspecified.
Jamestown Canyon virus (JCV) circulates widely in North America, primarily between deer and various mosquito species.
To the Editor: Jamestown Canyon virus (JCV), a member of the California serogroup, has a wide geographic distribution throughout much of temperate North America.
CDC tested the same serum sample for neutralizing antibodies against the closely related Jamestown Canyon virus by [PRNT.sub.90] to rule out potential cross-reactivity; the titers for LACV were 1:10,240, whereas the titers for Jamestown Canyon virus were 1:40.