Chikungunya virus, southeastern France.
Marc Grandadam,Valérie Caro,Sébastien Plumet,Jean Michel Thiberge,Yvan Souares,Anna-Bella Failloux,Hugues Tolou,Michel Budelot,Didier Cosserat,Isabelle Leparc-Goffart,Philippe Desprès +10 more
TLDR
Sequence analysis of the viral genomes of imported and autochthonous isolates indicated new features for the potential emergence and spread of the chikungunya virus in Europe.Abstract:
In September 2010, autochthonous transmission of chikungunya virus was recorded in southeastern France, where the Aedes albopictus mosquito vector is present. Sequence analysis of the viral genomes of imported and autochthonous isolates indicated new features for the potential emergence and spread of the virus in Europe.read more
Citations
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GloPID-R report on chikungunya, o'nyong-nyong and Mayaro virus, part 5: Entomological aspects
Laura Pezzi,Laura Pezzi,Mariama Dalanda Diallo,M. G. Rosa-Freitas,Anubis Vega-Rúa,Lisa F. P. Ng,Sébastien Boyer,Jan Felix Drexler,Nikos Vasilakis,Ricardo Lourenço-de-Oliveira,Scott C. Weaver,Alain Kohl,X. de Lamballerie,Anna-Bella Failloux,Patrícia Brasil,Michael P. Busch,Michael S. Diamond,Michael A. Drebot,P. Gallian,Thomas Jaenisch,Angelle Desiree LaBeaud,Marc Lecuit,Johan Neyts,Chantal Reusken,Guilherme S. Ribeiro,Maria Rios,A. J. Rodriguez-Morales,Amadou A. Sall,Graham Simmons,François Simon,André Siqueira +30 more
TL;DR: The experts identified knowledge gaps and provided adapted recommendations, in order to address future entomological investigations in the right direction, and to assess the risk that MAYV and ONNV will expand on wide scale using anthropophilic mosquito species not normally considered primary vectors.
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Dengue and other Aedes-borne viruses: a threat to Europe?
TL;DR: It is conceivable that both the virus and its primary vector, the Aedes aegypti mosquito, survived the winter in the city, inside heated houses, and ‘abandoned’ the European continent some time after this severe outbreak.
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A tyrosine to histidine switch at position 18 of the Ross River virus E2 glycoprotein is a determinant of virus fitness in disparate hosts
TL;DR: Findings suggest that a tyrosine-to-histidine switch at E2 position 18 functions as a regulator of RRV fitness in vertebrate and invertebrate cells.
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Independent Emergence of the Cosmopolitan Asian Chikungunya Virus, Philippines 2012
Kim-Kee Tan,Ava Kristy Sy,Amado Tandoc,Jing Jing Khoo,Syuhaida Sulaiman,Li-Yen Chang,Sazaly AbuBakar +6 more
TL;DR: Molecular evidence supports the Philippines outbreak as the possible origin of the Cosmopolitan Asian CHIKV (CACV), and the unique amino acid substitutions observed among the isolates suggest multiple independent virus dissemination events.
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Detection of Chikungunya virus in wild populations of Aedes albopictus in Kerala State, India.
TL;DR: The natural inclination indicated the role of this mosquito species in the transmission of CHIKV during its recent outbreaks in Kerala State.
References
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Infection with chikungunya virus in Italy: an outbreak in a temperate region
Giovanni Rezza,Loredana Nicoletti,R Angelini,Roberto Romi,A C Finarelli,M. Panning,Paolo Cordioli,Claudia Fortuna,S. Boros,Fabio Magurano,G. Silvi,Paola Angelini,Michele Dottori,Maria Grazia Ciufolini,Giancarlo Majori,Antonio Cassone +15 more
TL;DR: In this article, an outbreak of chikungunya virus (CHIKV) was reported in Italy, where the primary source of infection and modes of transmission were identified and an active surveillance system was also implemented.
Journal ArticleDOI
A single mutation in chikungunya virus affects vector specificity and epidemic potential.
TL;DR: The observation that a single amino acid substitution can influence vector specificity provides a plausible explanation of how this mutant virus caused an epidemic in a region lacking the typical vector, and has important implications with respect to how viruses may establish a transmission cycle when introduced into a new area.
Journal ArticleDOI
Present and future arboviral threats.
TL;DR: Viruses such as dengue (DENV) and chikungunya (CHIKV) that have lost the requirement for enzootic amplification now produce extensive epidemics in tropical urban centers, and climate warming could facilitate the expansion of the distributions of many arboviruses.
Journal ArticleDOI
Genome Microevolution of Chikungunya Viruses Causing the Indian Ocean Outbreak
Isabelle Schuffenecker,Isabelle Iteman,Alain Michault,Séverine Murri,Lionel Frangeul,Marie-Christine Vaney,Marie-Christine Vaney,Rachel Lavenir,Nathalie Pardigon,Jean-Marc Reynes,François Pettinelli,Leon Biscornet,Laure Diancourt,Stéphanie Michel,Stéphane Duquerroy,Stéphane Duquerroy,Stéphane Duquerroy,Ghislaine Guigon,Marie-Pascale Frenkiel,Anne-Claire Brehin,Nadège Cubito,Philippe Desprès,Frank Kunst,Félix A. Rey,Félix A. Rey,Hervé Zeller,Sylvain Brisse +26 more
TL;DR: The results indicate that the chikungunya virus outbreak was initiated by a strain related to East-African isolates, from which viral variants have evolved following a traceable microevolution history and may be due to adaptation to the mosquito vector.
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