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Published in: Child's Nervous System 1/2018

01-01-2018 | Focus Session

Challenges for molecular and serological ZIKV infection confirmation

Published in: Child's Nervous System | Issue 1/2018

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Abstract

Background

Zika Virus (ZIKV), member of Flaviviridae family and Flavivirus genus, has recently emerged as international public health emergency after its association with neonatal microcephaly cases. Clinical diagnosis hindrance involves symptom similarities produced by other arbovirus infections, therefore laboratory confirmation is of paramount importance.

Discussion

The most reliable test available is based on ZIKV RNA detection from body fluid samples. However, short viremia window periods and asymptomatic infections diminish the success rate for RT-PCR positivity. Beyond molecular detection, all serology tests in areas where other Flavivirus circulates proved to be a difficult task due to the broad range of cross-reactivity, especially with dengue pre-exposed individuals.

Conclusion

Altogether, lack of serological diagnostic tools brings limitations to any retrospective evaluation. Those studies are central in the context of congenital infection that could occur asymptomatically and mask prevalence and risk rates.
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Metadata
Title
Challenges for molecular and serological ZIKV infection confirmation
Publication date
01-01-2018
Published in
Child's Nervous System / Issue 1/2018
Print ISSN: 0256-7040
Electronic ISSN: 1433-0350
DOI
https://doi.org/10.1007/s00381-017-3641-5

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