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Sequences of Zika Virus Genomes from a Pediatric Cohort in Nicaragua

Lauren M Oldfield1, Nadia Fedorova1, Vinita Puri1

  • 1J. Craig Venter Institute, Rockville, Maryland, USA.

Genome Announcements
|June 16, 2018
PubMed

Insights

This study sequenced the whole genomes of 11 Zika virus (ZIKV) samples from Nicaraguan children. The ZIKV genomes were highly similar, showing over 99% identity.

Area of Science:

  • Virology
  • Genomics
  • Pediatrics

Background:

  • Zika virus (ZIKV) poses a significant threat to global public health, particularly to pediatric populations.
  • Understanding ZIKV genetic diversity is crucial for developing effective diagnostics, therapeutics, and vaccines.

Purpose of the Study:

  • To perform whole-genome sequencing of ZIKV samples from pediatric patients in Nicaragua.
  • To analyze the genetic relatedness of ZIKV strains circulating in this region.

Main Methods:

  • Whole-genome sequencing of 11 ZIKV samples from six pediatric patients.
  • ZIKV isolation from serum samples followed by sequencing of both serum and virus isolates.

Main Results:

  • Successfully obtained whole-genome sequences for 11 ZIKV samples.
  • The consensus ZIKV genomes exhibited high sequence identity, exceeding 99% among all samples.

Conclusions:

  • The ZIKV strains circulating in Nicaragua among pediatric patients are highly conserved genetically.
  • This genetic homogeneity suggests a recent common ancestor or limited viral evolution during the observed transmission period.

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