Usutu Virus Sequences in Culex pipiens (Diptera: Culicidae), Spain
2008
Usutu Virus in Culex Mosquitoes in Spain
Sample size: 436
publication
Evidence: moderate
Author Information
Author(s): Busquets Núria, Alba Anna, Allepuz Alberto, Aranda Carles, Nuñez José Ignacio
Primary Institution: Centre de Recerca en Sanitat Animal, Barcelona, Spain
Hypothesis
Is the Usutu virus present in Culex pipiens mosquitoes in Spain?
Conclusion
The study found Usutu virus sequences in Culex pipiens mosquitoes in Spain, suggesting the virus may be circulating in the region.
Supporting Evidence
- Usutu virus has been isolated from humans and mosquitoes in Africa.
- Monitoring showed a decline in USUV-associated bird deaths in Europe.
- USUV was detected in a blackbird in Hungary, closely related to the strain in Austria.
- Spanish USUV showed high homology to African strains, suggesting a possible introduction from Africa.
Takeaway
Scientists found a virus called Usutu in mosquitoes in Spain, which might be coming from birds that travel from Africa.
Methodology
Mosquitoes were collected and tested for flavivirus RNA using RT-nested PCR.
Limitations
The study did not observe any bird deaths associated with the virus in the region.
Digital Object Identifier (DOI)
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