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Article

Increases in the competitive fitness of West Nile virus isolates after introduction into California.

Virology - 15 Jan 2018

Worwa Gabriella, Hutton Andra A, Frey Michèle, Duggal Nisha K, Brault Aaron C, Reisen William K

Abstract excerpt

To investigate the phenotypic evolution of West Nile virus (WNV) in California, we competed sixteen isolates made during 2007-08 against COAV997-5nt, a genetically marked clone from the founding 2003 California isolate COAV997-2003. Using in vivo fitness competitions in House Finches (HOFI) and Culex tarsalis mosquitoes, we found that the majority of WNV WN02 and SW03 genotype isolates exhibited elevated...

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Identifiers

PMID: 29195094
DOI: 10.1016/j.virol.2017.11.017
PMCID: PMC5766374

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 6 Sept 2026. Manifest publication-graph-cohort-2026-09-06.1.

Source receipt: pubmed, retrieved 6 Sept 2026.

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