Sustained Low-Level Transmission of Zika and Chikungunya Viruses after Emergence in the Fiji Islands

Emerg Infect Dis. 2019 Aug;25(8):1535-1538. doi: 10.3201/eid2508.180524.

Abstract

Zika and chikungunya viruses were first detected in Fiji in 2015. Examining surveillance and phylogenetic and serologic data, we found evidence of low-level transmission of Zika and chikungunya viruses during 2013-2017, in contrast to the major outbreaks caused by closely related virus strains in other Pacific Island countries.

Keywords: Fiji; Pacific; Zika; arboviruses; chikungunya; dengue; mosquitoborne diseases; phylogeny; seroprevalence; surveillance; vector-borne infections; viruses.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Chikungunya Fever / epidemiology*
  • Chikungunya Fever / transmission*
  • Chikungunya Fever / virology
  • Chikungunya virus* / classification
  • Chikungunya virus* / genetics
  • Disease Outbreaks
  • Female
  • Fiji / epidemiology
  • Humans
  • Islands
  • Male
  • Phylogeny
  • Population Surveillance
  • Risk Factors
  • Sequence Analysis, DNA
  • Seroepidemiologic Studies
  • Viral Envelope Proteins / genetics
  • Zika Virus Infection / epidemiology*
  • Zika Virus Infection / transmission*
  • Zika Virus Infection / virology
  • Zika Virus* / classification
  • Zika Virus* / genetics

Substances

  • Viral Envelope Proteins