Dispersion of Aedes albopictus in the Spanish Mediterranean Area

Lucientes-Curdi, J.; Molina, Ricardo; Amela-Heras, Carmen; Simón-Soria, F; Santos-Sanz, Sara; Sánchez-Gómez, Amaya; Suarez-Rodriguez, Berta; Sierra-Moros, María José

doi:10.1093/eurpub/cku002

Cited by 27 publications

(17 citation statements)

References 4 publications

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“…Population densities of Ae. albopictus will probably tend to increase as occurred in countries colonized earlier such as Italy, dramatically modifying the epidemiological scenario [34,35]. In our opinion, two major preventive strategies could be easily adopted.…”

Section: Discussionmentioning

confidence: 91%

Arboviral infections diagnosed in a European area colonized by Aedes albopictus (2009–2013, Catalonia, Spain)

Valerio

Roure

Fernández‐Rivas

et al. 2015

Travel Medicine and Infectious Disease

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Section: Discussionmentioning

confidence: 91%

Arboviral infections diagnosed in a European area colonized by Aedes albopictus (2009–2013, Catalonia, Spain)

Valerio

Roure

Fernández‐Rivas

et al. 2015

Travel Medicine and Infectious Disease

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“…Since the rst report of Ae. albopictus in Spain in 2004 (9), it has been spread from Catalonia to the rest of the Mediterranean area including the Balearic islands (37), as well as other inland and northern regions in Spain such as Extremadura and Basque Country (38).…”

Section: Discussionmentioning

confidence: 99%

Naturally Occurence Of Wolbachia Spp. Infection In Populations Of Aedes Albopictus In The City of Valencia, Spain

Marcilla¹,

Trelis

Lera

et al. 2020

Preprint

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Background: The presence of Aedes albopictus was first reported in Valencia (Eastern Spain) in 2015, having a high sanitary and social impact. Innovative tools for its control include the use of the endosymbiotic bacterium Wolbachia pipientis, which suppress Ae. albopictus populations. The release of mosquito males infected with the bacteria has proven effective as a control strategy in similar urban areas in Rome, Italy. Before this strategy could be implemented in Valencia, it is crucial to know whether natural local populations of Ae. albopictus are infected with Wolbachia pipientis and if so, identifying the bacteria strains/supergroups. Methods: Eggs were collected from water basins from the 19 districts of the city of Valencia between May and October 2019. A total of 50 Ae. albopictus reared mosquito adults were processed and analyzed for the presence Wolbachia by selected markers for 16S rDNA and surface protein (wsp) genes, under optimized PCR conditions and sequenced.Results: Our study reveal that 94,7% of the samples carried the endosymbiont, with no differences among sexes. In relation to the Wolbachia strains, both wAlbA and wAlbB strains were identified in the mosquitoes analyzed, with some samples carrying mixed infections. Conclusions: These data provide the first characterization of endosymbionts present in natural populations of Ae. albopictus in the Mediterranean area of Spain, and offers relevant information to evaluate the potential use of Wolbachia strains in order to achieve mosquito populations suppression through massive releases of males artificially infected.

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“…However, additional inspections related to DENV cases detected high activity for five cases during 2016. This fact highlights the need for coordination in the protocols for surveillance and control of any arbovirosis in order to reduce the risk of transmission (Lucientes-Curdi et al, 2014). Similar protocols have been implemented in other countries such as France or Italy (Zammarchi et al, 2015; Maria et al, 2016) and recently have also been approved at a national level in Spain (MSSSI, 2016).…”

Section: Discussionmentioning

confidence: 99%

Imported Zika Virus in a European City: How to Prevent Local Transmission?

Millet¹,

Montalvo²,

Bueno-Marí³

et al. 2017

Front. Microbiol.

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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-Barré 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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Dispersion of Aedes albopictus in the Spanish Mediterranean Area

Cited by 27 publications

References 4 publications

Arboviral infections diagnosed in a European area colonized by Aedes albopictus (2009–2013, Catalonia, Spain)

Arboviral infections diagnosed in a European area colonized by Aedes albopictus (2009–2013, Catalonia, Spain)

Naturally Occurence Of Wolbachia Spp. Infection In Populations Of Aedes Albopictus In The City of Valencia, Spain

Imported Zika Virus in a European City: How to Prevent Local Transmission?

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