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Zika without symptoms in returning travellers: What are the implications?
Travel Med Infect Dis 2016 Jan-Feb; 14(1):16-20TM

Abstract

Against the background of the emergence and rapid spread of Zika virus (ZIKV) in the Americas, we report the case of an afebrile ZIKV infection in a traveller returning from Central America to highlight relevant clinical and diagnostic aspects. ZIKV should be considered in the differential diagnosis of patients with clinical symptoms suggestive of dengue or chikungunya fever. Given the frequent subfebril and afebrile manifestations of ZIKV infections, we propose abstaining from the term "Zika fever (ZF)" in favour of "Zika virus disease (ZVD)". Owing to its unspecific clinical presentation and cross-reactivity in serological assays, ZVD may easily be missed or misdiagnosed as dengue fever. Until conclusive data on the currently suspected link between ZIKV infection in pregnancy and foetal microcephaly become available, pregnant women and women who are trying to become pregnant should be advised against travelling to regions with ongoing ZIKV transmission. In addition, male travellers returning from regions with ongoing transmission should be informed of the potential risk of sexual transmission until conclusive data on the significance of this mode of transmission become available. Although probably low and seasonally restricted, there is a risk of ZIKV importation to Aedes mosquito-infested regions in temperate climates (including regions of North America and Europe) with consecutive autochthonous transmission.

Authors+Show Affiliations

University of Lausanne, Switzerland; Swiss Tropical and Public Health Institute, Basel, Switzerland.Swiss Tropical and Public Health Institute, Basel, Switzerland; University of Basel, Switzerland. Electronic address: andreas.neumayr@unibas.ch.WHO Collaborating Centre for Arbovirus and Haemorrhagic Fever Reference and Research, Bernhard-Nocht Institute for Tropical Medicine, Hamburg, Germany; German Centre for Infection Research (DZIF), Partner Site Hamburg-Luebeck-Borstel, Hamburg, Germany.WHO Collaborating Centre for Arbovirus and Haemorrhagic Fever Reference and Research, Bernhard-Nocht Institute for Tropical Medicine, Hamburg, Germany; German Centre for Infection Research (DZIF), Partner Site Hamburg-Luebeck-Borstel, Hamburg, Germany.Swiss Tropical and Public Health Institute, Basel, Switzerland; University of Basel, Switzerland.

Pub Type(s)

Case Reports
Journal Article

Language

eng

PubMed ID

26876061

Citation

Ginier, Mylène, et al. "Zika Without Symptoms in Returning Travellers: what Are the Implications?" Travel Medicine and Infectious Disease, vol. 14, no. 1, 2016, pp. 16-20.
Ginier M, Neumayr A, Günther S, et al. Zika without symptoms in returning travellers: What are the implications? Travel Med Infect Dis. 2016;14(1):16-20.
Ginier, M., Neumayr, A., Günther, S., Schmidt-Chanasit, J., & Blum, J. (2016). Zika without symptoms in returning travellers: What are the implications? Travel Medicine and Infectious Disease, 14(1), pp. 16-20. doi:10.1016/j.tmaid.2016.01.012.
Ginier M, et al. Zika Without Symptoms in Returning Travellers: what Are the Implications. Travel Med Infect Dis. 2016;14(1):16-20. PubMed PMID: 26876061.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Zika without symptoms in returning travellers: What are the implications? AU - Ginier,Mylène, AU - Neumayr,Andreas, AU - Günther,Stephan, AU - Schmidt-Chanasit,Jonas, AU - Blum,Johannes, Y1 - 2016/02/05/ PY - 2016/01/19/received PY - 2016/01/28/revised PY - 2016/01/28/accepted PY - 2016/2/16/entrez PY - 2016/2/16/pubmed PY - 2016/12/15/medline KW - Flavivirus infection KW - Travel medicine KW - Zika virus SP - 16 EP - 20 JF - Travel medicine and infectious disease JO - Travel Med Infect Dis VL - 14 IS - 1 N2 - Against the background of the emergence and rapid spread of Zika virus (ZIKV) in the Americas, we report the case of an afebrile ZIKV infection in a traveller returning from Central America to highlight relevant clinical and diagnostic aspects. ZIKV should be considered in the differential diagnosis of patients with clinical symptoms suggestive of dengue or chikungunya fever. Given the frequent subfebril and afebrile manifestations of ZIKV infections, we propose abstaining from the term "Zika fever (ZF)" in favour of "Zika virus disease (ZVD)". Owing to its unspecific clinical presentation and cross-reactivity in serological assays, ZVD may easily be missed or misdiagnosed as dengue fever. Until conclusive data on the currently suspected link between ZIKV infection in pregnancy and foetal microcephaly become available, pregnant women and women who are trying to become pregnant should be advised against travelling to regions with ongoing ZIKV transmission. In addition, male travellers returning from regions with ongoing transmission should be informed of the potential risk of sexual transmission until conclusive data on the significance of this mode of transmission become available. Although probably low and seasonally restricted, there is a risk of ZIKV importation to Aedes mosquito-infested regions in temperate climates (including regions of North America and Europe) with consecutive autochthonous transmission. SN - 1873-0442 UR - https://www.unboundmedicine.com/medline/citation/26876061/Zika_without_symptoms_in_returning_travellers:_What_are_the_implications L2 - https://linkinghub.elsevier.com/retrieve/pii/S1477-8939(16)00014-4 DB - PRIME DP - Unbound Medicine ER -