| comparison of light traps, gravid traps, and resting boxes for west nile virus surveillance. | west nile virus surveillance was conducted at five sites in new castle county, de, and one site in salem county, nj, from june through september, 2004, using dry ice-baited centers for disease control miniature light traps, infusion-baited gravid traps, and resting boxes. all trap types were simultaneously placed at each site every two weeks and run overnight. collected mosquitoes were identified to species, pooled, and analyzed for virus using a real-time reverse transcriptase polymerase chain ... | 2007 | 18260519 |