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Volume 20, Number 11—November 2014

Letter

Zika Virus, French Polynesia, South Pacific, 2013

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EID Cao-Lormeau V. Zika Virus, French Polynesia, South Pacific, 2013. Emerg Infect Dis. 2014;20(11):1960. https://dx.doi.org/10.3201/eid2011.141380
AMA Cao-Lormeau V. Zika Virus, French Polynesia, South Pacific, 2013. Emerging Infectious Diseases. 2014;20(11):1960. doi:10.3201/eid2011.141380.
APA Cao-Lormeau, V. (2014). Zika Virus, French Polynesia, South Pacific, 2013. Emerging Infectious Diseases, 20(11), 1960. https://dx.doi.org/10.3201/eid2011.141380.

In Response: I want to respond to the letter by Hancock et al. (1) regarding the previously published letter, Zika Virus, French Polynesia, South Pacific, 2013 (2). My comment aims to clarify an inaccuracy in the following sentence. “In 2007, the first Zika outbreak ever reported outside Africa and Asia was retrospectively documented from biological samples of patients on Yap Island, Federated States of Micronesia, North Pacific, who had received an incorrect diagnosis of dengue virus (DENV)” (2).

I recognize that this sentence does not provide an accurate description of the efforts in Yap State to investigate the outbreak and further confirm that it was caused by Zika virus (ZIKV). As specified in the article by Lanciotti et al. (3), outbreak investigations continued although initial laboratory testing suggested dengue virus as the causative agent: “In April 2007, an epidemic of rash, conjunctivitis, and arthralgia was noted by physicians in Yap State, Federated States of Micronesia. Laboratory testing with a rapid assay suggested that a dengue virus (DENV) was the causative agent. In June 2007, samples were sent for confirmatory testing to the Arbovirus Diagnostic Laboratory at the Centers for Disease Control and Prevention (CDC, Fort Collins, CO, USA).”

I apologize to the Yap Epinet Team for this inaccuracy, and I encourage the reader to consult the articles by Lanciotti et al. (3) and Duffy et al. (4) to get a complete description of the clinical and laboratory investigations conducted during the ZIKV outbreak in Yap State. If data and laboratory protocols (reverse transcription PCR) related to this first ZIKV outbreak in the Pacific had not been available to the scientific community, identification of ZIKV as the cause of an outbreak in French Polynesia in 2013 would have been greatly delayed.

Van-Mai Cao-LormeauComments to Author 

Author affiliation: Institut Louis Malardé, Papeete, Tahiti, French Polynesia

References

  1. Hancock WT, Marfel M, Bel M. Zika virus, French Polynesia, South Pacific, 2013. [zzzz–zzzz.]. Emerg Infect Dis. 2014;•••:20.
  2. Cao-Lormeau VM, Roche C, Teissier A, Robin E, Berry AL, Mallet HP, Zika virus, French Polynesia, South Pacific, 2013. Emerg Infect Dis. 2014;20:10856. DOIPubMed
  3. Lanciotti RS, Kosoy OL, Laven JJ, Velez JO, Lambert AJ, Johnson AJ, Genetic and serologic properties of Zika virus associated with an epidemic, Yap State, Micronesia, 2007. Emerg Infect Dis. 2008;14:12329. DOIPubMed
  4. Duffy MR, Chen TH, Hancock WT, Powers AM, Kool JL, Lanciotti RS, Zika outbreak on Yap Island, Federated States of Micronesia. N Engl J Med. 2009;360:253643. DOIPubMed
Cite This Article

DOI: 10.3201/eid2011.141380

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Table of Contents – Volume 20, Number 11—November 2014

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Van-Mai Cao-Lormeau, Institut Louis Malardé, PO Box 30, 98713 Papeete, Tahiti, French Polynesia


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