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Imported Zika virus in a European city: How to prevent local transmission?

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Background: On February 1st 2016 the WHO declared the Zika Virus
                (ZIKV) infection a worldwide public health emergency because of
                its rapid expansion and severe complications, such as
                Guillain-Barre Syndrome or microcephaly in newborn. The huge
                amount of people traveling to endemic areas and the presence of
                Aedes albopictus in Barcelona increase the risk of autochtonous
                transmission. The objective of this study was to describe the
                first ZIKV cases diagnosed in our city and to analyze the
                surveillance, prevention, and control measures implemented to
                avoid autochthonous transmission. Methods: An observational
                cross-sectional population-based study in Barcelona, Spain was
                performed.An analysis of the socio-demographic, epidemiological,
                clinical characteristics, and mosquito control activities of the
                ZIKV cases detected between January 1st and December 2016 was
                carried out using a specific ZIKV epidemiological survey of the
                Barcelona Public Health Agency. Results: A total of 118
                notifications of possible ZIKV infections were received, and 44
                corresponded to confirmed cases in Barcelona residents.Amongst
                these, the median age was 35 years and 57% were women. All cases
                were imported, 48% were Spanish-born and 52% foreign-born.
                Dominican Republic was the most visited country amongst
                foreign-born patients and Nicaragua amongst Spanish-born. The
                most frequent symptoms were exanthema, fever, and arthralgia.
                Among the 24 diagnosed women, 6 (25%) were pregnant. There was
                one case of microcephaly outside Barcelona city. Entomological
                inspections were done at the homes of 19 cases (43.2% of the
                total) and in 34 (77.3%) public spaces. Vector activity was
                found in one case of the 44 confirmed cases, and 134
                surveillance and vector control were carried out associated to
                imported ZIKV cases. In all cases prevention measures were
                recommended to avoid mosquito bites on infected cases.
                Conclusion: Epidemiological and entomological surveillance are
                essential for the prevention of autochthonous transmission of
                arbovirosis that may have a great impact on Public Health.The
                good coordination between epidemiologists, entomologists,
                microbiologists, and clinicians is a priority in a touristic
                city with an intense relationship with endemic countries to
                minimize the risk of local transmission by competent vectors.

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Reproducció del document publicat a:
                http://dx.doi.org/10.3389/fmicb.2017.01319

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Frontiers in Microbiology, 2017, vol. 8, num. , p. 1319

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Articles publicats en revistes (ISGlobal)

# metadata.dc.title[].value
Imported Zika virus in a European city: How to prevent local transmission?