- Autores: Almeida AP, Donnelly MJ, Gomes B, Novo MT, Parreira R, Sousa CA, Pinto J
- Journal: Journal of the American Mosquito Control Association
- Link: http://www.ncbi.nlm.nih.gov/pubmed/?term=The+Culex+pipiens+complex+in+continental+Portugal%3A+Distribution+and+genetic+structure.
Portugal is a southern European country that displays favorable ecological conditions for the establishment of West Nile virus (WNV) transmission cycles. Competent mosquito vector species are present throughout the country.