The origins of dengue and chikungunya viruses in Ecuador following increased migration from Venezuela and Colombia.

ABSTRACT:

Background

In recent years, Ecuador and other South American countries have experienced an increase in arboviral diseases. A rise in dengue infections was followed by introductions of chikungunya and Zika, two viruses never before seen in many of these areas. Furthermore, the latest socioeconomic and political instability in Venezuela and the mass migration of its population into the neighboring countries has given rise to concerns of infectious disease spillover and escalation of arboviral spread in the region.

Results

We performed phylogeographic analyses of dengue (DENV) and chikungunya (CHIKV) virus genomes sampled from a surveillance site in Ecuador in 2014-2015, along with genomes from the surrounding countries. Our results revealed at least two introductions of DENV,

SUBMITTER: Maljkovic Berry I 

PROVIDER: S-EPMC7031975 | biostudies-literature | 2020 Feb

REPOSITORIES: biostudies-literature