In this multicentre cohort study, we evaluated the risks of maternal ZIKV infections and adverse pregnancy outcomes among exposed travellers compared to women living in areas with ZIKV circulation (residents). The risk of maternal infection was lower among travellers compared to residents: 25.0% ( = 36/144) versus 42.9% ( = 309/721); aRR 0.6; 95% CI 0.5-0.8. Risk factors associated with maternal infection among travellers were travelling during the epidemic period (i.e., June 2015 to December 2016) (aOR 29.4; 95% CI 3.7-228.1), travelling to the Caribbean Islands (aOR 3.2; 95% CI 1.2-8.7) and stay duration >2 weeks (aOR 8.7; 95% CI 1.1-71.5). Adverse pregnancy outcomes were observed in 8.3% ( = 3/36) of infected travellers and 12.7% ( = 39/309) of infected residents. Overall, the risk of maternal infections is lower among travellers compared to residents and related to the presence of ongoing outbreaks and stay duration, with stays <2 weeks associated with minimal risk in the absence of ongoing outbreaks.
About The Expert
Manon Vouga
Léo Pomar
Antoni Soriano-Arandes
Carlota Rodó
Anna Goncé
Eduard Gratacos
Audrey Merriam
Isabelle Eperon
Begoña Martinez De Tejada
Béatrice Eggel
Sophie Masmejan
Laurence Rochat
Blaise Genton
Tim Van Mieghem
Véronique Lambert
Denis Malvy
Patrick Gérardin
David Baud
Alice Panchaud
References
PubMed
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