Source: https://www.eurekalert.org/pub_relea...-tze071019.php

The Zika epidemic in Cuba, reflected by imported cases in Barcelona
A study confirms the key role of imported disease clinics in the surveillance and prevention of arboviral diseases in Europe
News Release 10-Jul-2019

Travellers returning to Barcelona mirrored the 2017 Zika outbreak in Cuba, according to a study led by the Hospital Cl?nic of Barcelona and the Barcelona Institute for Global Health, an institution supported by "la Caixa".

Zika virus spread throughout Latin America between 2015 and 2016, followed by a decrease in the number of new cases. Cuba, however, was one of the last countries to report cases: the first autochthonous case was confirmed in March 2016, and recent data indicate that an outbreak with over 600 reported cases occurred mid-2017 in Cienfuegos.

This outbreak was reflected in a study initiated by Hospital Clinic in 2016, with the aim of detecting imported cases of Zika and other mosquito-borne viral diseases (which are part of arboviral diseases). Over a period of almost three years, the Tropical Medicine Service detected 42 imported cases of Zika. While in 2016, Zika-infected travellers had visited different countries in Latin America and the Caribbean, the cases diagnosed from ends of 2017 onwards only came from Cuba. "These cases could reflect an absence of herd immunity in the Cuban population, as well as the possibility of it being one of the last places in America with ongoing virus transmission," explains Alex Almuedo, first author of the study...