Zika virus isolation from semen

Elena Percivalle1, Maurizio Zavattoni1, Fausto Fausto1,2

  • 1Microbiology and Virology Department, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy.

Insights

Zika virus (ZIKV) is sexually transmissible, confirmed by isolation from a patient's semen returning from Brazil. This finding reinforces understanding of ZIKV sexual transmission routes.

Area of Science:

  • Virology
  • Infectious Diseases
  • Public Health

Background:

  • Zika virus (ZIKV) outbreaks have highlighted its potential for sexual transmission.
  • Previous detection of ZIKV in semen occurred during the 2013-14 French Polynesia outbreak.

Observation:

  • A patient returning to Italy from Brazil was diagnosed with ZIKV infection.
  • Semen samples were collected and analyzed from the infected patient.

Findings:

  • Replicative Zika virus particles were successfully isolated from the patient's semen.
  • This case provides further evidence of ZIKV shedding in semen.

Implications:

  • Confirms sexual transmission as a significant route for ZIKV.
  • Informs public health strategies for ZIKV prevention and control.
  • Highlights the importance of considering sexual contact in ZIKV transmission dynamics.

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