Chikungunya Disease Outbreak, Reunion Island

Josseran, Loïc; Pascal, Christophe; Zehgnoun, Abdelkrim; Caillère, N.; Tertre, Alain Le; Solet, Jean-Louis; Ledrans, Martine

doi:10.3201/eid1212.060710

Cited by 262 publications

(207 citation statements)

References 5 publications

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“…An excess in total deaths was also reported for the chikungunya epidemic on Réunion Island during FebruaryApril 2006 (10). A total of 260 excess deaths were reported on Réunion Island during the epidemic, of which 254 were directly or indirectly attributed to chikungunya (mortality rate attributed to chikungunya 1/1,000) (4,10).…”

Section: Researchmentioning

confidence: 97%

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Increased Mortality Rate Associated with Chikungunya Epidemic, Ahmedabad, India

Mavalankar

Shastri

Bandyopadhyay

et al. 2008

Emerg. Infect. Dis.

212

175

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Section: Researchmentioning

confidence: 97%

“…A total of 260 excess deaths were reported on Réunion Island during the epidemic, of which 254 were directly or indirectly attributed to chikungunya (mortality rate attributed to chikungunya 1/1,000) (4,10). Most of the excess deaths on Réunion Island were persons >75 years of age.…”

Section: Researchmentioning

confidence: 99%

Increased Mortality Rate Associated with Chikungunya Epidemic, Ahmedabad, India

Mavalankar

Shastri

Bandyopadhyay

et al. 2008

Emerg. Infect. Dis.

212

175

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“…The first reports of the epidemic in the Indian Ocean occurred during the spring of 2005 when over 5000 residents of the Union of the Comoros acquired CHIKV disease . Later, the virus was detected on the island of Réunion, where over 200 000 people were infected (Josseran et al, 2006). From Réunion, the virus spread to the Seychelles, Mauritius, Madagascar and finally India, with equally phenomenal numbers of infections (Ravi, 2006;Saxena et al, 2006).…”

Section: Introductionmentioning

confidence: 99%

Tracking epidemic Chikungunya virus into the Indian Ocean from East Africa

Njenga

Nderitu

Ledermann

et al. 2008

Journal of General Virology

165

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The largest documented outbreak of Chikungunya virus (CHIKV) disease occurred in the Indian Ocean islands and India during 2004–2007. The magnitude of this outbreak led to speculation that a new variant of the virus had emerged that was either more virulent or more easily transmitted by mosquito vectors. To study this assertion, it is important to know the origin of the virus and how the particular strain circulating during the outbreak is related to other known strains. This study genetically characterized isolates of CHIKV obtained from Mombasa and Lamu Island, Kenya, during 2004, as well as strains from the 2005 outbreak recorded in Comoros. The results of these analyses demonstrated that the virus responsible for the epidemic that spread through the Indian Ocean originated in coastal Kenya during 2004 and that the closest known ancestors are members of the Central/East African clade. Genetic elements that may be responsible for the scope of the outbreak were also identified.

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“…1 Recent Ae. aegypti-driven outbreaks of Chikungunya in the Indian Ocean and Italy 2,3 and dengue in South America 4,5 and Key West, Florida 6 emphasize the continuing threat of Ae. aegypti to public health.…”

Section: Introductionmentioning

confidence: 99%

Phylogeography of Aedes aegypti (Yellow Fever Mosquito) in South Florida: mtDNA Evidence for Human-Aided Dispersal

Damal

Murrell²,

Juliano³

et al. 2013

The American Society of Tropical Medicine and Hygiene

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Abstract. The invasive dengue vector Aedes aegypti has persisted for 200 years in South Florida in the United States. We tested the hypotheses that Florida's landscape creates dispersal barriers and corridors and that long-distance humanaided dispersal structures populations of Ae. aegypti. We evaluated the phylogeography of 362 individuals from Florida's East and West Coasts with a 760-bp (418-and 342-bp fragments of ND5 and ND4, respectively) mitochondrial sequence. Populations from these two coasts were not significantly differentiated, suggesting that limited urbanization in central Florida is not a strong barrier to gene flow. Evidence for long-distance dispersal between Ft. Lauderdale and the West and Ft. Myers and the East indicates the importance of human-aided dispersal. West Coast populations showed no genetic differentiation, indicating that West Coast rivers and bays did not significantly impede gene flow. Phylogeographic analysis of haplotypes showed two distinct matrilines with no geographic patterns, suggesting multiple introductions or balancing selection.

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Chikungunya Disease Outbreak, Reunion Island

Cited by 262 publications

References 5 publications

Increased Mortality Rate Associated with Chikungunya Epidemic, Ahmedabad, India

Increased Mortality Rate Associated with Chikungunya Epidemic, Ahmedabad, India

Tracking epidemic Chikungunya virus into the Indian Ocean from East Africa

Phylogeography of Aedes aegypti (Yellow Fever Mosquito) in South Florida: mtDNA Evidence for Human-Aided Dispersal

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