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Home My WebLink About00 - Council Announcements - PowerPointWest Nile Virus in OC 2025 • Human Cases (4), Positive Mosquitoes (186), Dead Birds (4) 300 25-D 209 150 190 50 0 Total Human Cases Year 230 63 79 96 17 7 49 16 4 1 16 12 36 39 2004 2005 coos 2067 20g8 2009 2010 2011 2-012 1 7 19 2013 261 2015 2016 2017 2018 AV a 2019 2020 West Nile virus (WNV) Cycle Mosquito bites bird with WNV m Mosquitoes become infected and spread west Nile virus to people and other animals by biting them. 3 2024. 2D22 ft 2023 2-a24 2025 Flea -borne Typhus 2025 • Human Cases (38), Positive fleas (105) TotaLTyphus Cases by Year 20 15 10 5 I loss loss 0 _ 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2D16 2017 2013 2019 2020 2021 2022 2023 2024 2025 ■ 2006 ■ 2007 ■ 2006 ■ 2OO9 ■ 2010 ■ 2011 ■ 2012 ■ 2013 ■ 2014 ■ 2015 ■ 2D16 ■ 2017 ■ 2018 ■ 2019 ■ 2020 ■ 2021 ■ 2022 ■ 2023 ■ 2024 ■ 2025