Introduction and Spread of Dengue Virus 3, Florida, USA, May 2022-April 2023

Emerg Infect Dis. 2024 Feb;30(2):376-379. doi: 10.3201/eid3002.231615. Epub 2024 Jan 17.


During May 2022-April 2023, dengue virus serotype 3 was identified among 601 travel-associated and 61 locally acquired dengue cases in Florida, USA. All 203 sequenced genomes belonged to the same genotype III lineage and revealed potential transmission chains in which most locally acquired cases occurred shortly after introduction, with little sustained transmission.

Keywords: DENV; DENV-3; Florida; United States; dengue virus; phylogenetics; transmission reconstruction; vector-borne infections; viruses; whole-genome sequencing.

MeSH terms

  • Base Sequence
  • Dengue Virus* / genetics
  • Dengue* / epidemiology
  • Florida / epidemiology
  • Genotype
  • Humans
  • Phylogeny
  • Serogroup
  • Travel