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In the last 8 hours
Mosquitoes carrying West Nile virus found in 5 more Louisville neighborhoods WKYT10:30
Earlier today
OC officials warn of "five-alarm year" for mosquitos and West Nile virus CBS Los Angeles05:13
Yesterday
First case of West Nile Virus confirmed in a Brown County horse this year The Chippewa Herald, Wisconsin20:36 15-Sept-26
Mosquitoes carrying West Nile Virus found in York County KSNB18:30 15-Sept-26
Wisconsin confirms first equine West Nile virus case of 2026 in Brown County WSAW17:51 15-Sept-26
In the last 7 days
Seventh human West Nile virus case reported in Mass. Boston.com23:37 13-Sept-26
2 more mosquito traps test positive for West Nile virus in Ga. WRDW22:05 12-Sept-26
West Nile Virus Cases Grow In Active Mosquito Year: What To Know In MD Patch17:53 12-Sept-26
West Nile Virus Cases Grow In Active Mosquito Year: What To Know In FL Patch16:26 12-Sept-26
West Nile outbreak has Dutch health min. asking people to sleep under mosquito nets NL Times14:10 12-Sept-26
Belgium reports first probable local human West Nile virus cases CGTN08:56 12-Sept-26
Mosquitos — And Their Diseases — Skyrocket In CA As Rain And Heat Make Matters Worse Patch08:37 12-Sept-26
Northern Belgium see 1st locally acquired West Nile virus infections Anadolu Agency23:10 11-Sept-26
Montrose County reports first human death from West Nile Virus this year CBS Denver21:44 11-Sept-26
2 more mosquito traps test positive for West Nile virus in DeKalb County News 10 WALB, Georgia21:22 11-Sept-26
Stratford reports first human case of West Nile virus, officials say Connecticut Post18:00 11-Sept-26
West Nile virus spreading in Europe - 56 cases in France this year The Connexion15:37 11-Sept-26
Greece reports record annual West Nile virus cases as death toll hits 30 TRT World09:11 11-Sept-26
Greece reports record 324 West Nile virus cases, death toll rises to 30 Anadolu Agency08:53 11-Sept-26
Water rates rise, West Nile Virus spreads, & more Green Philly07:00 11-Sept-26
First West Nile virus death reported in North Dakota Bismarck Tribune, North Dakota06:11 11-Sept-26
Three people infected with West Nile virus die in Netherlands CGTN04:04 11-Sept-26
Cochise County reports two confirmed cases of West Nile virus News 13 KOLD-TV, Arizona01:51 11-Sept-26
Cochise County reports 2 cases of West Nile virus KGUN9 News, Arizona01:33 11-Sept-26
First human West Nile virus case confirmed in Stratford WFSB.com, Connecticut22:00 10-Sept-26
West Nile Virus Cases Rise to 324 in Greece Argophilia Travel News18:33 10-Sept-26
First West Nile virus-related death reported in North Dakota Bismarck Tribune, North Dakota18:20 10-Sept-26
North Dakota reports first West Nile virus death of 2026 KVLY-TV16:24 10-Sept-26
North Dakota confirms first West Nile Virus death of 2026 WDAY Radio16:17 10-Sept-26
West Nile virus cases rise to 18 in Netherlands as death toll reaches 3 Anadolu Agency16:14 10-Sept-26
North Dakota reports 1st death of year attributed to West Nile virus INFORUM16:14 10-Sept-26
First West Nile-related death of 2026 reported KMOT15:59 10-Sept-26
West Nile virus is entering its peak season. Here’s how you can protect yourself Georgia Public Broadcasting15:59 10-Sept-26
Suffolk County confirms season’s second human West Nile case News 12 Long Island13:38 10-Sept-26
Mosquitoes in Chastain Park test positive for West Nile virus Rough Draft Atlanta12:00 10-Sept-26
Mosquito trap in Chastain Park tests positive for West Nile virus, conservancy says Atlanta News First03:44 10-Sept-26
West Nile Virus cases on rise in Pima County News 13 KOLD-TV, Arizona03:09 10-Sept-26
Montrose County reports first West Nile virus death of 2026 KKCO 11 News02:01 10-Sept-26
West Nile Virus Cases Grow In Active Mosquito Year: What To Know In VA Patch21:31 9-Sept-26
West Nile Virus Cases Grow In Active Mosquito Year: What To Know In RI Patch21:31 9-Sept-26
Ottawa Public Health confirms two human cases of West Nile virus in Ottawa CTV News Ottawa20:53 9-Sept-26
West Nile Virus Cases Grow In Active Mosquito Year: What To Know In GA Patch19:01 9-Sept-26
West Nile Virus Cases Grow In Active Mosquito Year: What To Know In MI Patch18:52 9-Sept-26
West Nile Virus Cases Grow In Active Mosquito Year: What To Know In MA Patch18:12 9-Sept-26
West Nile Virus Cases Grow In Active Mosquito Year: What To Know In IL Patch18:04 9-Sept-26
West Nile Virus Cases Grow In Active Mosquito Year: What To Know In PA Patch17:12 9-Sept-26
West Nile Virus Cases Grow In Active Mosquito Year: What To Know In AL Patch17:06 9-Sept-26
Monitoring underway as Santa Cruz Co. investigates first probable West Nile case KGUN9 News, Arizona12:53 9-Sept-26
Santa Cruz County reports first likely case of West Nile virus News 13 KOLD-TV, Arizona01:43 9-Sept-26
First death of West Nile Virus in Yolo County confirmed Woodland Daily Democrat, California01:00 9-Sept-26
In the last month
Yolo County reports first West Nile virus death of 2026 The Davis Enterprise, California23:45 8-Sept-26
West Nile Virus detected in Buffalo County mosquitoes KSNB22:35 8-Sept-26
First human case of West Nile virus reported in Hamilton, Ont. CTV News Toronto22:34 8-Sept-26
West Nile virus found in dozens of Indiana counties. Here's how to protect yourself WFYI Indianapolis20:56 8-Sept-26
Mandeville Pests May Pose Serious Health Risks for Your Family PR Newswire (Press Release)20:52 8-Sept-26
Fifth West Nile Virus Case Confirmed in Crete Argophilia Travel News18:34 8-Sept-26
Three in north test positive for West Nile virus Cyprus Mail17:52 8-Sept-26
Mosquitoes test positive for West Nile Virus in Daviess County 14 News11:08 8-Sept-26
Eight Patients Hospitalized in Skopje with Neuroinvasive West Nile Virus Bulgarian News Agency09:32 8-Sept-26
Allen County has the highest number of mosquito pools with West Nile Virus in the state. Here’s how you can protect… 21 Alive News00:52 8-Sept-26
Charlotte region experiencing ‘uptick’ in mosquitoes infected with West Nile virus: What to know WBTV18:40 7-Sept-26
Mchd: Another sentinel chicken tests positive for West Nile Virus in Mobile County WLOX22:51 6-Sept-26
How to protect against West Nile Virus | ChicagoLIVE FOX 32 Chicago17:07 5-Sept-26
More than 1,000 West Nile virus cases recorded in Europe Iraqi News Agency16:46 5-Sept-26
16 new mosquito samples test positive for West Nile virus in Suffolk County News 12 Long Island11:31 5-Sept-26
🌱 Patch AM: 4 People Catch West Nile Virus In Philadelphia; The City's First Human Cases This Year Patch07:18 5-Sept-26
Mosquito sample near Lakewood Park in Leander tests positive for West Nile virus CBS Austin02:21 5-Sept-26
Mosquitoes near Prophetstown test positive for West Nile virus KWQC23:05 4-Sept-26
Safety alert: West Nile virus detected in Fort Gordon mosquitoes WRDW21:51 4-Sept-26
Philly reports its first West Nile Virus cases of 2026; here's how to avoid mosquito bites PhillyVoice21:47 4-Sept-26
Lubbock Public Health confirms first human case of West Nile virus for the year Fox 3421:03 4-Sept-26
Mecklenburg County warns of West Nile virus uptick after 3 test positive in Charlotte WBTV21:00 4-Sept-26
West Nile cases rises to 5 people, Shelby County Health Department says Action 5 News20:47 4-Sept-26
2 people hospitalized in Albany with West Nile virus; hospital urges precautions News 10 WALB, Georgia19:37 4-Sept-26
Hampshire County faces moderate West Nile risk as virus found in local mosquitoes Daily Hampshire Gazette18:52 4-Sept-26
West Nile Cases Surge To 21 In Long Beach, 2nd-Highest Total On Record Patch18:37 4-Sept-26
4 People Catch West Nile Virus In Philadelphia; The City's First Human Cases This Year Patch16:33 4-Sept-26
West Nile Virus Cases Spread to Heraklion and Hersonissos in Crete Argophilia Travel News09:32 4-Sept-26
West Nile Virus Areas Expand in Crete as Mosquito Control Intensifies Argophilia Travel News09:32 4-Sept-26
West Nile virus detections surpass five-year average in San Gabriel Valley CBS Los Angeles04:50 4-Sept-26
West Nile virus in Hays County: 9th mosquito trap tests positive FOX 7 Austin02:13 4-Sept-26
Deadly mosquito-borne virus claims first life in major US city as cases spread Fox News01:05 4-Sept-26
Officials urge continued precautions as first West Nile-related death of the season reported in the state KNOP00:15 4-Sept-26
West Nile virus activity is surging in the San Gabriel Valley San Gabriel Valley Tribune, California23:22 3-Sept-26
West Nile Virus detected in recent mosquito samples in Holyoke Western Mass News21:32 3-Sept-26
West Nile virus found in fourth mosquito pool in St. Joseph County this season WNDU TV 16, Indiana21:23 3-Sept-26
West Nile virus found in mosquitoes in Lowell, Chelmsford Boston Herald21:20 3-Sept-26
West Nile Virus Activity Surges Above 5-Year Average In SGV: Breakdown By City Patch19:42 3-Sept-26
West Nile cases rise to six, one dead Cyprus Mail13:08 3-Sept-26
West Nile Virus Cases Rise to 290 in Greece To Vima12:13 3-Sept-26
West Nile and Cache Valley viruses detected in Lincoln County mosquitoes KNOP00:21 3-Sept-26
Health unit confirms eastern Ontario’s first human case of West Nile virus this year CTV News Ottawa22:06 2-Sept-26
Peel, York regions confirm first human cases of West Nile virus this year CTV News Toronto19:39 2-Sept-26
Peel Public Health confirms 1st human case of West Nile Virus in 2026 CBC.ca18:59 2-Sept-26
Parry Sound area horse tests positive for West Nile virus CTV News Northern Ontario18:37 2-Sept-26
West Nile Virus is back in CT. Here’s how to stay safe WSHU Public Radio18:02 2-Sept-26
Peel Region confirms first human case of West Nile virus this year CTV News Toronto16:25 2-Sept-26
Chicago just had its first West Nile death of the year. Here’s how to protect yourself. Chicago Sun-Times15:59 2-Sept-26
New case of West Nile virus found in Amsterdam region NL Times15:50 2-Sept-26
West Nile Virus confirmed in horse in Parry Sound district My North Bay Now15:36 2-Sept-26
Fourth Dutch case of West Nile fever this year confirmed DutchNews.nl15:15 2-Sept-26
Mosquitoes test positive for West Nile virus in Tamaroa, Ill. KFVS1214:21 2-Sept-26
West Nile virus detected at 2 Roswell parks Atlanta News First13:55 2-Sept-26
Westchester reports season's first West Nile case News 12 Westchester03:05 2-Sept-26
Nebraska Reports First West Nile Virus Death of 2026 Season as Mosquito Activity Climbs KSNB02:56 2-Sept-26
West Nile Death In Chicago Is State’s First This Year, Officials Say Block Club Chicago00:14 2-Sept-26
Westchester confirms first human West Nile Virus case of 2026 Gothamist (Weblog)23:21 1-Sept-26
Person dies from West Nile virus in Chicago, health officials say ABC7 / WLS-TV23:02 1-Sept-26
4 human cases of West Nile virus confirmed in Cook County ABC7 / WLS-TV23:02 1-Sept-26
First Illinois West Nile Virus Death of 2026 Reported in Chicago WTTW22:20 1-Sept-26
Illinois reports first West Nile virus death of the year, in Chicago Macomb Daily, Michigan22:17 1-Sept-26
Lake County's First Human Case Of West Nile Virus In 2026 Reported Patch21:50 1-Sept-26
Chicagoan dies of West Nile virus Chicago Sun-Times20:50 1-Sept-26
Chicago reports first West Nile virus death of 2026 FOX 32 Chicago20:44 1-Sept-26
1 dead of West Nile virus, 2 cases confirmed: Chicago health officials ABC News20:29 1-Sept-26

      
            
      
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16 Sept 10:30
   

About our West Nile Virus news

Latest news on the West Nile virus (WNV), a virus that causes West Nile fever, a disease that can affect humans and animals. It is spread by mosquitoes, mostly species of Culex. Most people with WNV have no symptoms, but some may develop mild flu-like symptoms, a skin rash or feel sick. In rare cases, WNV can cause severe infections that can lead to brain inflammation, muscle weakness, confusion or seizures. There is no vaccine or specific treatment for WNV, so prevention is important. You can avoid mosquito bites by using insect sprays and mosquito nets when visiting high-risk areas.

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