Arbovirus surveillance: first dengue virus detection in local Aedes albopictus mosquitoes in Europe, Catalonia, Spain, 2015
Eurosurveillance·
- DOI
- 10.2807/1560-7917.es.2018.23.47.1700837
- PMID
- 30482266
- PMCID
- PMC6341941
- OpenAlex
- W2901696929
- Study type
- Journal article
- Publisher
- European Centre for Disease Control and Prevention (ECDC)
- Article type
- journal-article
- Integrity
- current
Why this research matters now
The article suggests that entomological monitoring around viraemic travelers may help identify possible local dengue transmission early. In GIDS terms, it is a surveillance-relevant report with context for detectability in a European setting.
Structured evidence summary
Research question
The paper examines whether surveillance around people with recent travel-related dengue infection could detect dengue virus in local Aedes albopictus mosquitoes in Catalonia, Spain.
Study design
This is an observational surveillance study combining testing of febrile travelers for dengue virus with entomological investigations around viraemic cases. It is framed as arbovirus surveillance conducted in 2015.
Population and setting
The setting was Catalonia, Spain, during 2015. The human component included 131 patients with recent travel to dengue-endemic countries, and the mosquito component involved local Aedes albopictus collected near one patient's residence.
Main findings
Among the travelers tested, 65 dengue cases were identified and 28 were viraemic by RT-PCR. Dengue virus was also found in one pool of local Aedes albopictus, and the envelope-gene sequence matched the patient's virus. The authors report that this surveillance approach can detect mosquito infection early.
Public-health relevance
The article suggests that entomological monitoring around viraemic travelers may help identify possible local dengue transmission early. In GIDS terms, it is a surveillance-relevant report with context for detectability in a European setting.
Important limitations
No explicit study limitations are stated in the abstract. The summary is therefore limited to the supplied single-article abstract and metadata; the original paper would be needed for decision-grade interpretation. The evidence also comes from one year in one region and from a single mosquito-positive pool, which constrains generalization.
GIDS interpretation
This paper is discoverable as a surveillance and transmission-dynamics report about dengue in Europe, especially in Spain. It should be read as a localized observational finding rather than a live signal confirmation.
Related GIDS surveillance
Literature context does not validate, explain, or change a surveillance signal. Exact and contextual relationships are shown separately.
Evidence relationships
This article has 9 auditable classifier relationships to diseases, places, topics, and study design.