| potential mosquito vectors of arboviruses in portugal: species, distribution, abundance and west nile infection. | circulation of west nile virus in portugal was demonstrated by serological surveys, and the virus was isolated in 1969 from anopheles maculipennis s.l. a survey of the whole country was carried out (2001-2004) to assess the abundance of mosquito species and to screen them for arbovirus infection. a total of 770 collections yielded 32460 mosquitoes of 15 species. the regions with the highest abundance of mosquitoes were the coastal and estuarine districts of santarém, setúbal and faro. culex pipi ... | 2008 | 18455742 |