Mosquito-borne Disease Control Program
SURVEILLANCE DASHBOARD
LEBANON COUNTY
Number of mosquito traps and dips in 2026
TOTAL NUMBER OF WNV POSITIVE MOSQUITO POOLS
60
TOTAL NUMBER OF MOSQUITO POOLS TESTED FOR WNV*
308
Lancaster County
Number of mosquito traps and dips in 2026
TOTAL NUMBER OF WNV POSITIVE MOSQUITO POOLS
49
TOTAL NUMBER OF MOSQUITO POOLS TESTED FOR WNV*
372
*Mosquitoes are placed in pools of up to 100 and screened for viral DNA; individual mosquitoes are not screened.
Data last updated September 21st, 2026
data from past mosquito seasons
2025
-
Number of gravid traps: 487
Number of BG-Sentinel traps: 40
Number of dips: 487
Total number of mosquito pools submitted for testing: 540
Total number of mosquito pools tested positive for WNV: 201
-
Number of gravid traps: 766
Number of BG-Sentinel traps: 79
Number of dips: 660
Total number of mosquito pools submitted for testing: 745
Total number of mosquito pools tested positive for WNV: 286
2024
-
Number of gravid traps: 399
Number of BG-Sentinel traps: 36
Number of dips: 325
Total number of mosquito pools submitted for testing: 424
Total number of mosquito pools tested positive for WNV: 114
-
Number of gravid traps: 523
Number of BG-Sentinel traps: 45
Number of dips: 498
Total number of mosquito pools submitted for testing: 525
Total number of mosquito pools tested positive for WNV: 144
2023
-
Number of gravid traps: 402
Number of BG-Sentinel traps: 53
Number of dips: 455
Total number of mosquito pools submitted for testing: 284
Total number of mosquito pools tested positive for WNV: 53
-
Number of gravid traps: 589
Number of BG-Sentinel traps: 70
Number of dips: 579
Total number of mosquito pools submitted for testing: 474
Total number of mosquito pools tested positive for WNV: 61
2022
-
Number of gravid traps: 352
Number of BG-Sentinel traps: 45
Number of dips: 402
Total number of mosquito pools submitted for testing: 457
Total number of mosquito pools tested positive for WNV: 184
-
Number of gravid traps: 577
Number of BG-Sentinel traps: 58
Number of dips: 714
Total number of mosquito pools submitted for testing: 484
Total number of mosquito pools tested positive for WNV: 160
2021
-
Number of gravid traps: 374
Number of BG-Sentinel traps: 44
Number of dips: 102
Total number of mosquito pools submitted for testing: 332
Total number of mosquito pools tested positive for WNV: 39
-
Number of gravid traps: 661
Number of BG-Sentinel traps: 61
Number of dips: 729
Total number of mosquito pools submitted for testing: 536
Total number of mosquito pools tested positive for WNV: 98
2020
-
Number of gravid traps: 622
Number of BG-Sentinel traps: 45
Number of dips: 502
Total number of mosquito pools submitted for testing: 344
Total number of mosquito pools tested positive for WNV: 22
-
Number of gravid traps: 784
Number of BG-Sentinel traps: 56
Number of dips: 581
Total number of mosquito pools submitted for testing: 538
Total number of mosquito pools tested positive for WNV: 27