Article: Reemergence of dengue virus type 4, French Antilles and French Guiana, 2004-2005.(DISPATCHES)

After 10 years of absence, dengue virus type 4 (DENV-4) has recently reemerged in Martinique, Guadeloupe, and French Guiana. Phylogenetic analyses of strains isolated from 2004 to 2005 showed that they belong to DENV-4 genotype II, but to a different cluster than strains isolated from 1993 to 1995.

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Dengue is a viral disease transmitted by mosquitoes. It is caused by any of the 4 viral serotypes of dengue virus (DENV), designated DENV-1, DENV-2, DENV-3, and DENV-4. DENV belongs to the genus Flavivirus and family Flaviviridae. Flaviviruses are enveloped, single-stranded, positive-sense RNA viruses. The genomic RNA is [approximately equal to] 11 ...

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