# Mosquito-borne illnesses increasing in US. See map of affected states

> **Newsylist Open Intelligence Dossier** · First detected: 2026-09-12 16:29 UTC · Category: Health · Sources: 12 · Current Velocity: 11.26

## Intelligence Brief
"Mosquito-borne illnesses increasing in US. See map of affected states" developed substantial multi-source reporting across the Health sector, tracked across 12 distinct newsrooms by Newsylist.


Key reporting was led by Yahoo, Griffin Daily News, Annenberg Public Policy Center and East Oregonian. Coverage velocity and cross-outlet momentum were measured using Newsylist open coverage telemetry.


Synthesized from multi-source international reporting and live coverage telemetry under Newsylist open intelligence methodology.

## Verified Facts & Key Claims
### What drove coverage for Mosquito-borne illnesses increasing in US. See map of affected states?
Coverage spiked when 12 independent newsrooms published 13 verified reports during this coverage cycle.

### How did Newsylist track this trend?
Newsylist monitored article arrival rates, source diversity, and cross-outlet validation in real time.

## Key People, Organizations & Locations
Mosquito-borne, See

## Multi-Source Evidence Table
| Source Outlet | Headline | Published (UTC) | Verification URL |
|---|---|---|---|
| Yahoo | Mosquito-borne illnesses increasing in US. See map of affected states | 2026-09-12 12:02 | [Source Link](https://news.google.com/rss/articles/CBMilwFBVV95cUxQR3BSa1N0V2hhRHdLT3BycTBqQnlOcFZFYmYwZW8zd0x6QXlHZUZ0TXU0aG9aNWJuQk1peHZtVVJtd3Z5bUxnTFRaaFVCaDVvS1ZHa29aMEQ1SVpVS3EzQkw0VUkwM1VtZEtCRXd6azVheFhUMU0tX1Z4TE1OLTdWTEM2T0dsZmgzeXlxNVE1UzhPdGszTWdn?oc=5) |
| Griffin Daily News | West Nile virus is entering its peak season. Here’s how you can protect yourself. | 2026-09-12 12:02 | [Source Link](https://news.google.com/rss/articles/CBMi-wFBVV95cUxNbVFSLVpuSW9zTHZJeGhWb3I4V3U3VFBuYXNtaV85MVpvMkxHTXlVZm5tUHhLbkE3MWI3ZW54LTRHOVVPYjJYSVQ1MnVPWGFMWXpaQVFkLUxGOVBUR3BJdEZHMWdaa3NvYTlpRnQtZnBEamxTTkc2M2pKVTZPLUgxWTAwSXJraGZXc1ZWb05PQTFjVGRmanVUQ2FTOVloLTZXU2hOTDd6Y0RRWm1sby1WVGg0b3dTUDk0UkUxanotNnBnQmZSOVZSRk9DaVl2c2V0VlZxa3VHeU0zMDd1dzA4blFEUFQybE8wNlRLTTdGVVpGeU1zOWVMXzZRRQ?oc=5) |
| Annenberg Public Policy Center | Most Americans Know How to Control Mosquitoes; Many Unsure How to Use Insect Repellent | 2026-09-12 12:02 | [Source Link](https://news.google.com/rss/articles/CBMi1AFBVV95cUxQbFdRRzdVNmdsWTlYb21NQ0tJSTR2eW5yRWVINy1qekVudUlXNFJNZlhLb2JCa1pBanpKMmhuTGwzLXp5U2xNQ1QxWTlPb2JzSlBORjhJVlgtV2daVVkxNnJGY0pCUnpEejBLNWhGMEhyekZIeEExMEFQd0hqUlhvQUJuNk5SU0xMTWZicVFlVnFZSWx6VEd2MFRDZ3RtYko3WVZsdEZUaWhpMkRid1kxZ3FCdDJNejVxXzNPRXNQNnlWVXZuVGFsSld2TXQybWp1Y0dkTA?oc=5) |
| East Oregonian | Guest commentary: West Nile risk doesn’t end with summer | 2026-09-12 12:02 | [Source Link](https://news.google.com/rss/articles/CBMilwFBVV95cUxOWld6cFFadFIwdV9ZMXZDRDFMY3YwaFFuVGktZVluXzhTWFdLMnRVMHBSQ21TbUE3ZXZ5bTlnOVNudm42bWE2cmF2U3R6MGgzZzk5MnBaYnNFZ01rMVYyMUdldExmeXFrTnZPaUlzQVVObTBTQjRFc1pPazlYUXFNVThSaXdQOVhtNUR3RWpoNk9QZXFyenVB?oc=5) |
| CIDRAP | Most Americans know mosquitoes cause disease, but few know how to use bug spray properly, survey finds | 2026-09-12 12:02 | [Source Link](https://news.google.com/rss/articles/CBMivgFBVV95cUxPMVNWVjFOM2FJTlBVcFVfYVlhMWs4eVc0Wi1STDRCdlVJZHZzbFE3WHNJSGl2TmZuSTg1M1EyeXNkMWxCVHozaVd2YVV1Tm9JRkljbmlmNjJvT2IyRThUdHh1Q19JRHBvSnB5U0R4czMwdmR2WlBQT3N2eE02YThzb3BKQVFGVGxIc2FzZ3M0Y3N4WXQzcUplSE94VUExTGdRUjFrNDhIVWtacl9IeVJuZXRrdW5pMFh4NHF1Q1hR?oc=5) |
| Medical Daily | West Nile Cases Total 504 Across 41 States While Few Adults Know How to Choose or Apply Repellent | 2026-09-12 12:02 | [Source Link](https://news.google.com/rss/articles/CBMilgFBVV95cUxQcEQ3MW1uVjc2dWVhRWg4cldXX1lfcHNwMHRKTm1vN0lnc21laEI0TF94WXpISDVWcldIQmdEeEt3SHJVV25zNHNEVGRLcEFmUUlNN29NOURMckluVXgwdUI4eEtZWm12TU93b2pZdTBSc2lrQW9Mc19LcGphVnp0TkpKZkFZb2ZLS1RIb0VmWUVwZWtSNnc?oc=5) |
| La Grande Observer | Guest commentary: West Nile risk doesn’t end with summer | 2026-09-12 12:02 | [Source Link](https://news.google.com/rss/articles/CBMimwFBVV95cUxOaURORG42R0FxcVlKSGhacE9BSkVyaWFPWFpYV2FVbkc3aVpMYUdFMWhSSXQzWjBYRUJwRHhSUFRncFZZcjJlX2hTVGVXMTJzUHZzWG1hMkVWQjh4LUpFd0pib1JCU09hSXoxMGFrOEI5NW9qbEhvbEU2Q1hVbzg5N3YxRl9JaUkyTlJqajMzazFQRlhJQVFjRHIzUQ?oc=5) |
| Now Georgia | West Nile virus is entering its peak season. Here’s how you can protect yourself | 2026-09-12 12:02 | [Source Link](https://news.google.com/rss/articles/CBMipAFBVV95cUxNSUNuYzBCX05NSmtaZVVjdHNzSHkxcWFCYkVQZlNadFJRc0RoeDlKb1RDRGdwOTZGZnNSVy0yNHgxcWhBY2psdDRkVXl5al9KM1RzalI1bFhCczNiX2RkQkY1R19LeDlPT1lKUDMxQllNSXdhNWxhUExIak9sTWVOQ3VDQnlxZ2p2YThpRE44MXNfeXN0WjI0Z3R1MVNZaEJlYnZJUw?oc=5) |
| Yahoo | 'Mosquito disease days' for West Nile transmission becoming more frequent in US | 2026-09-12 12:02 | [Source Link](https://news.google.com/rss/articles/CBMilAFBVV95cUxPNjVUUDY3UEZyeGZGZS1JYXpyeGRzelFwNWt2MTF1enNacWNMSGpnWnZPRDhnMXdYOEh3Q3ptcWxyRkNMSVN1ZGMzVklQWmdDTU1YRnA4WHBNTklVZlVWMmwtMnlJU01VWHZIVF9tM2NJVjN6djM2SEVWbXJHX2x5c0RUVEdRc2dXbDNDYnFLZ2c5bmIx?oc=5) |
| Boston.com | Seventh human West Nile virus case reported in Mass. | 2026-09-12 12:02 | [Source Link](https://news.google.com/rss/articles/CBMi1wFBVV95cUxPTzNMWkN3aWlfbURlZE5VeVByTHdFRHoyWXdvVmxfVXc4V28zb0NyUUpIYU1ka09oZFFFUWFyamRzUHdrVE5TcFQtUUp1YkdoOFFJUmpPa2VqaGd5Ui0xc2VxQ29iSEtsSmxlZmZ6d3otVEpsUTM0YU5jUUdIQzR2TVliSWpxbWxtdnl4LThHNGQ0aUN4dUtKN2h4bHZXc2M3VTU0RzQ0WThYZ3VCOHVZbDlhMkVIUG93ZFhUdUtNcTVWMjk2ZjA2bVlMQmg4UElFcnpGWTh0dw?oc=5) |
| MassLive.com | West Nile virus risk level raised to moderate across Mass. after 7th human case | 2026-09-12 12:02 | [Source Link](https://news.google.com/rss/articles/CBMivgFBVV95cUxOdDlnUTljNmpydXc0MFhuMzRRX2hkSktsZVpOQlYtMndBQnhLTHZqSkhTLXQtWTR0QUMzTWR2czd0TzVnVTBJTnltaVJZTkJoR0pqZjBDNmVrMWRSTGEtZHhUNDEyeGxsYThXemVDdjU3MERnVG9FR0x0bWhKSEZSSy0za2ZnbVZWbVNwQUJWa2ZjVlV5S2p0N1BDcUwtbnlDc0NsZHN2TFREam1ScGRXekk5bXhtS0Z3WnBHd2530gHSAUFVX3lxTE9FUDB6QWNwZlFaVDhoaFkyY3lsNkFpSUNBX0tuNEZUTFF6b05WSXNoOGF4aTNLWEdLdnRiUktId2tqWDZuUjdmdmJKOHBibXlLejM3ekl6VVAxdkRNNlFOVU1hYkc2bnk3ZkE5d19UTG9xanByY0MzV196Ylc3Q3paOEdRWDFCRjNZZGsxTWJ1M251SkZ) |
| Worcester Telegram | Worcester County man contracts West Nile virus; first in region this season | 2026-09-12 12:02 | [Source Link](https://news.google.com/rss/articles/CBMi3AFBVV95cUxOY2RmellKbllSaVRBbmF5ZDluN1VvWTltZ0tRcVN2czFPb1pMUUMyaUtieVYtYkkwYTJhX2U3OWdjZjRwaUtIMjJYeS1tYm4tY2ZvWHJFcGc4S1l0TGt2dGFvREY4VzQ1cm03eW0wWVNVLXoxVEVJc0diek1kTEFjbFdJbXVPRWszQ2doVVc5czZvMFdINjlpSTk4aFJwVWtydFVTZ25KUmstZF9jb25wQWxGVHVsZE9hWUY2NXpQTnVDOGVTSTI0bTZiLWt6eGNJREpuVDRuaWM2Z2V4?oc=5) |
| Rogue Valley Times | GUEST COLUMN: West Nile risk in Jackson County doesn’t end with summer | 2026-09-12 12:02 | [Source Link](https://news.google.com/rss/articles/CBMiowFBVV95cUxPM3RNck5YQjFBMU1LZ3UzT2haRE1IRUt6S2VlME5wUUx4M3ZvaDd1NC1ZeDRDSndhbEl6R0dCOUFQc2ZwSktzbGhkbjBNUl9FMktfbjFyTkZtRFFNazNuYkM1dHQ2dmxHdkp2TnBLLWFlaElYem9XV0FxRFZnMzdGN2htOEh0TFNsSGxHTVh5NVVVc2lfODZhbW1sQWdtcEJJUklj?oc=5) |

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*Canonical Source: https://www.newsylist.com/trend/2026-09-12/mosquito-borne-illnesses-increasing-in-us-see-map-of-affected-states*
*Synthesized by Newsylist Open Intelligence Engine under E-E-A-T journalistic standards.*