Fig. 2

Histograms showing average abundance across sampling visits (A,B) and average occurrence (% divided by 10) across sampling visits (C,D) of Aedes vexans and Culex pipiens/restuans, and minimum infection rate of West Nile virus (WNV), sampled and tested by Public Health Ontario at 3,010 sampling locations in Ontario, Canada, and number of blood donations to the Canadian Blood Services across Ontario that tested positive for WNV, for each year from 2003 to 2022 (A,C), and for each month from June to October (B,D).