Emerging Infectious Diseases (Dec 2019)

Zika Virus IgM 25 Months after Symptom Onset, Miami-Dade County, Florida, USA

  • Isabel Griffin,
  • Stacey W. Martin,
  • Marc Fischer,
  • Trudy V. Chambers,
  • Olga L. Kosoy,
  • Cynthia Goldberg,
  • Alyssa Falise,
  • Vanessa Villamil,
  • Olga Ponomareva,
  • Leah D. Gillis,
  • Carina Blackmore,
  • Reynald Jean

DOI
https://doi.org/10.3201/eid2512.191022
Journal volume & issue
Vol. 25, no. 12
pp. 2264 – 2265

Abstract

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We assessed IgM detection in Zika patients from the 2016 outbreak in Miami-Dade County, Florida, USA. Of those with positive or equivocal IgM after 12–19 months, 87% (26/30) had IgM 6 months later. In a survival analysis, ≈76% had IgM at 25 months. Zika virus IgM persists for years, complicating serologic diagnosis.

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