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Parasites & vectors
Jun 23, 2022;15 (1): 226.

Vector competence of Anopheles quadrimaculatus and Aedes albopictus for genetically distinct Jamestown Canyon virus strains circulating in the Northeast United States.

Constentin Dieme, Laura D Kramer, Alexander T Ciota
Author Information
  1. Constentin Dieme: Institut Pasteur de Guinée, Conakry, Guinea. Constentin.DIEME@pasteur-guinee.org.
  2. Laura D Kramer: Wadsworth Center, New York State Department of Health, Slingerlands, NY, USA.
  3. Alexander T Ciota: Wadsworth Center, New York State Department of Health, Slingerlands, NY, USA.
PMID: 35739573 DOI: 10.1186/s13071-022-05342-3

Abstract

BACKGROUND: Jamestown Canyon virus (JCV; Peribunyaviridae, Orthobunyavirus) is a mosquito-borne pathogen belonging to the California serogroup. The virus is endemic in North America and increasingly recognized as a public health concern. In this study, we determined the vector competence of Anopheles (An.) quadrimaculatus and Aedes (Ae.) albopictus for five JCV strains belonging to the two lineages circulating in the Northeast.
METHODS: An. quadrimaculatus and Ae. albopictus were fed blood meals containing two lineage A strains and three lineage B strains. Vector competence of both mosquito species was evaluated at 7- and 14-days post-feeding (dpf) by testing for virus presence in bodies, legs, and saliva.
RESULTS: Our results demonstrated that Ae. albopictus mosquitoes are a competent vector for both lineages, with similar transmission levels for all strains tested. Variable levels of infection (46-83%) and dissemination (17-38%) were measured in An. quadrimaculatus, yet no transmission was detected for the five JCV strains evaluated.
CONCLUSIONS: Our results demonstrate that establishment of Ae. albopictus in the Northeast could increase the risk of JCV but suggest An. quadrimaculatus are not a competent vector for JCV.

Keywords

Aedes albopictus Anopheles quadrimaculatus Jamestown Canyon virus Vector competence

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MeSH Term

Aedes
Animals
Anopheles
Encephalitis Virus, California
Mosquito Vectors
New England
Journal Article
Article has an altmetric score of 2

Word Cloud

Created with Highcharts 10.0.0quadrimaculatusalbopictusstrainsvirusJCVcompetenceAeJamestownCanyonvectorAnophelesAedesNortheastVectorbelongingfivetwolineagescirculatinglineageevaluatedresultscompetenttransmissionlevelsBACKGROUND:PeribunyaviridaeOrthobunyavirusmosquito-bornepathogenCaliforniaserogroupendemicNorthAmericaincreasinglyrecognizedpublichealthconcernstudydeterminedAnMETHODS:fedbloodmealscontainingthreeBmosquitospecies7-14-dayspost-feedingdpftestingpresencebodieslegssalivaRESULTS:demonstratedmosquitoessimilartestedVariableinfection46-83%dissemination17-38%measuredyetdetectedCONCLUSIONS:demonstrateestablishmentincreaserisksuggestgeneticallydistinctUnitedStates

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