Northwest Mosquito Abatement District IMVCA 2022 Annual Report

The Northwest Mosquito Abatement District covers 242 square miles with over 10,000 ditches, retention/detention ponds, and natural water bodies. They monitor mosquito populations using surveillance traps and track nuisance mosquitoes and vector mosquitoes like those carrying West Nile virus. The report includes data on trap collections, human cases, and mosquito control efforts in the district.

• Mosquito Abatement
• Surveillance Traps
• Vector Mosquitoes
• West Nile Virus
• Annual Report

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1. Northwest Mosquito Abatement District IMVCA 2022 Annual Report

2. NWMAD 242 sq miles Over 10,000 ditches, retention/detention ponds, and natural water bodies sites 65,000 storm water catch basins 14% of the district is covered by Cook County Forest Preserve

3. Surveillance traps 23 CDC gravid traps 12 New Jersey light traps Collected everyday M-F

4. Nuisance Mosquitoes NJLT 2022 and 5 year average One NJ trap skewed the average higher this year. The one trap had over 13,000 mosquitoes. The other 11 traps combined had 9,700. 70 60 50 Average 40 30 20 10 0 Sept, 35 May, 17 July, 26 Aug, 31 20 18 19 21 23 24 25 27 28 29 30 32 33 34 36 37 38 39 June, 22 5 YEAR 2022

5. Vector Mosquitoes WNv Vectors for 2022 and 5 year average 70 60 50 Average 40 30 20 10 0 EpiWeek 5 Year 2022

6. Vector Index and date of onset for 2022 human cases