# Fourth person tests positive for West Nile virus in San Diego County

> **Open Intelligence Dossier** · First detected: 2026-08-05 16:07 UTC · Category: Health

## Executive Summary
5 news sources are covering this Health story right now — PULSE is tracking how fast it spreads.

## Intelligence Brief
"Fourth person tests positive for West Nile virus in San Diego County" is generating significant coverage in the Health category, with 5 articles from 5 distinct sources tracked by PULSE so far.


Outlets currently covering the story include Patch, Yahoo, NBC 7 San Diego and San Diego County News Center. PULSE measures a story's velocity from how quickly new articles appear and how many independent newsrooms join the coverage.


This brief was generated by PULSE's extractive engine from coverage metadata only. The latest headlines from every source are listed below; the velocity chart shows how the story is developing in real time.

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| wdtn.com | Public health to spray Wegerzyn MetroPark | [Source Link](https://news.google.com/rss/articles/CBMihgFBVV95cUxNTV9ydVNMWC12Y2FMcGNwUUd5RWF5UmtjVHJ4T0M0MmYyQWVOZm9selBYS0Q1OExfS0s0Z1hCV1VBc1lWcVJ6cC1rNmJCM2ZfQ2c2TmJrMzBmZjduUWljZ0FxclZRNU5jRDIxaVdNQlhhblV5RU44MDM0cmJTMzlDSWFlX1otUdIBiwFBVV95cUxPcUFWOXdFNk9tYXZZaTZ4Sml2QWlvbDN4N1F2NzY0aFNYTnJFMVl6eE5ZRTdPZFNhWGVhaTg1OTJJeXBfVEVzZDR4THNNYTVVZm5JZ1BjZG5LcGltd3NZTlJqY3cwOVN6OXJBcFVVWjNnV2cxRFRYNjNtT0UyY3ZyWHBqc0U0S255aUY4?oc=5) |
| Yahoo | West Nile-positive mosquito traps rise in Williamson County after rainy spring | [Source Link](https://news.google.com/rss/articles/CBMingFBVV95cUxOdGJUZjlLT3gtVHd0M2JOdGRka290ZUNGdV9hZzBjeVFxWXVZRDJlbjFfek1nTEQ5SjFkemNVcTMxSzRsc01semxKQ1MxODAtZWc0OXBob3hlZzI2NFI0N2liRUNqTnRUR0xSMmlLMlZObVlBcGdCdi1aRGRNcjJ0ZzBOVzhFWnc3eDdhd1BfMTlFOVRSeXR0WENWbUNvZw?oc=5) |
| Hays County (.gov) | Buda mosquito trap tests positive for West Nile Virus | [Source Link](https://news.google.com/rss/articles/CBMiYkFVX3lxTE1ieFdaVVNmaENfYnRZNHVndm03dE5WNFZ0bkN1THNBSmszVUJ4RjFFbTdBMGdhdGdlTnBuN3B1NmFiNktPRXFONnJEb2JYZ19md20wSkw1cGh3d081U0xpY3Vn?oc=5) |
| Austin American-Statesman | Which local county is seeing a spike in mosquitoes with West Nile? | [Source Link](https://news.google.com/rss/articles/CBMiqAFBVV95cUxNSU9nMDVhWHA1UzVWWUNBVUxwVHhBc181amk1UndfbVNJemlOVE5uamFrMFZxN1I1Mll1NGRWRThzM2NDRE43cXpha3NFNHNyR0RnVE1pbXdoTVlyTDJrRjI3QzlZbWxZM1hDZVJzdHRveW4zanJxNFRJOXgtcFU1YVdOb0hLNWxXaFc5RWZsRkVDUFR3NjdSdFVmY3Q4Y3I0WnMxbUJhZHY?oc=5) |
| Click2Houston | Mosquitos in Brazoria County test positive for West Nile Virus | [Source Link](https://news.google.com/rss/articles/CBMitgFBVV95cUxQMHUyZmxObnFrNG1sT1JGZjdYMURKSS0tdFRDV0lSanJ1X05qSm9pSEo2eVhYVU9rVGU0N0dtQktmVExXeXg4MjdheElRUW5fRHlSSDRSeVdGejZKUkJBNXo3eTlyZGRSTWJURHNjTDN4UlFzOGtkSFVQa2dQazVmUTg3ZldPUC1hVjY5Zk81WjgtZlAxS2diXzhFNURwd0dHbUpfRXlUUVI0NWFlYmxVVGliVXI1UQ?oc=5) |
| KXAN Austin | Mosquito pool in Buda tests positive for West Nile Virus | [Source Link](https://news.google.com/rss/articles/CBMikwFBVV95cUxPMG9mRnlBSU1KLTEyUmlrRlhEMGZZUDVib215eFBTY2lZcHVUOEpOU3Mxb3RablNxMnZmYlNZb0V0aEVFcXNnVGlvaWJDcUhCRWNsdEJJVzZJZm5hbV9Wc0hZeFZjOWVUQzRUQjBaSHdkRzd5a29WT2RtU1FEYnY4VkNhc21zSTFnejFyZzlxZHYtcUXSAZgBQVVfeXFMUHN6Nm9EQWNwUHlhWWxFN2Naa2l5MExBZ1JnbG1TVENlTkV4SlllODZnakFFWm5DT1hNV2JpYVhmOHVGcXFRZ3NfTEpsYTkwQkZGQ1ExSTVsVlFGMVZjMzEtWEJDLUxmR3RLalJwTGotUXJFN3phdHBuTkxnSUhYLWl1eDBCZkY1aXBqeXZMWDRTdUdmQVJJVVk?oc=5) |
| WHIO TV | Mosquitoes at Montgomery County park test positive for West Nile Virus; Public Health to spray area | [Source Link](https://news.google.com/rss/articles/CBMi4gFBVV95cUxOb0xPanE0R0s1OHZGQWRkT1NKSWtyVGtheUtLUmFYMDNzYWZyc2x0U3BKVmg2OEZYdGRFblFuaHVhVEc5MFFCdE5ITlZhRHhZR3U4ZEc1Vms3ekVaRmhGNHktY19KRkhDcVhOTjljcml4QTdObjMzRVFvaE14OFB1ZVJ0OGdvQUt3dllweURiQ0Y1dDNMMDNKaWZjRjJrMlVwaW1HZ2J4bi1uTzQxQjV1SUNVbG93bDUwS2RhMUdDOERMYWlvUENKaHV5U1luZmRmWXNJLW9mVmR6QnBjUEhrWURB0gH2AUFVX3lxTE8zM2E2amc5UjNGWVFPWjVBd1pjVDJ2aHh4eTg1NEQyQUh5RV9UWW5Lb0l4X2ZNdHV4RjdQSU96aGFjbzhGcHliajVLMTlYem1aWEJraFg3NHU0eWZhaWU4RkNfd0FkRnoxaUhCYmpTcG9) |
| KPBS | Why 4 West Nile virus cases in San Diego are more concerning than they appear | [Source Link](https://news.google.com/rss/articles/CBMivgFBVV95cUxPR0ItajdtOFkzeV9ZM0xlajE4RDR5WmNWdlE4LXp4RzZsZF9GaUJmMXJ0bldWZ1ktMFFWT1pJRUVlaV9Vdi1WVjJSbE9BRjZ1WFJJTmgzYk0tOXloVl8zZ0Z0UEM4M1hVVV9JT0tFNkFPd2R2SVMtOFl1NmVwNGFvN25ia3cybmhvTnBtTGFXaGRuX2NEdmxkbGxfeHJLOGhlV0ZkT25ZY1Y2NllHcTRYamFPejMzSEdBQnB6VkNR?oc=5) |
| cbs8.com | San Diego County steps up mosquito treatment as West Nile activity continues | [Source Link](https://news.google.com/rss/articles/CBMi1AFBVV95cUxPQjNycEx1ejhQS2JDQ2MwLTk5TkZEMlBrZ05rMl9Mc1dCaHFGN2FCbUo5UjRhY0p0NEJIa2x0eGhJMFlsNUVaSlhmUUlTZjNpZm5yRjR4RDFLOEpZNXBtTUM4X2Q0T05IZ0xfeGpoM1RHTjB0QWRmQ0ZRdnlCVFlPcG5hYlVqbjdKUFE5YjhJOTBnMHZpMzRJU3pCUTl2aXg2WXRrNWk2a1FwTG9fbHhFVm5XSzVEZWNJbk9kTXZIdkpodVU4SkQ3WlhicjRnRWEyY0t3cQ?oc=5) |
| fox5sandiego.com | 4 San Diego County residents test positive for West Nile Virus since June | [Source Link](https://news.google.com/rss/articles/CBMiiwFBVV95cUxPcV9aZnBSclVnX0JIMDVJd0JMTmQtMUx2SW9Tak5JR1VpWmhtUnRfazdmTEFiQUhraDFkYmJKS0U0V2sxaDZjUGF2b0lqV09nSlNiVDRPUFBDdXY5aVktVjk0Wk1UT21GMzBRVDNUWkluMzRnWlNzd2Y5SE5xaUpxRWQyWVpWV19wSkow0gGQAUFVX3lxTE1SM0l0QVIzcGswT0xZbVdFbTN5LUhiVC1QbzRzbXRNRjcta3d1TVpUbmNhOG1OdXRmRG1hNGdTeVBZZHB4VGdiSExZMDhWLXd0eVR3YWVNUWRzYlh2V3JtcGtuaUZTWDRFaUVlVjdlQWdwc3RBMW8tMmotVmhjNnF6OG1qTWVvT2gyLVhOUVkyTA?oc=5) |
| Patch | Fourth Human West Nile Virus Case Reported In San Diego County | [Source Link](https://news.google.com/rss/articles/CBMinwFBVV95cUxQYlRFdGRVY1JSdl9mVl9uV2lhYjlxbmx5RUlHcHJoR0JGakdYeWx3MGVPb21xckU1QndJZWgtV3RxWDFsMXEzNUxmdzJXYXJJcnp6VWhhazhHbzE3RHNnME50MXBPZkJxWkZ4MlhiM3gwVDRBc0twZDdrX2xwbEkyOWRoZ2dZUUJ6cVdJVy1ZVzMzMUZTRXdfVjJjMEZmbEXSAbQBQVVfeXFMTzVhb2VZNHFWbDlBYUY4dThhcnV0Q0gyZ1NJZDMzazVCdXhfaGg1MWdfXzV3U3E3cXJibV9SZXBNcW5UM2VJMXRqZUFGYWdPeXVaMVM2SFBRVV90b2hnWlhqZERBcGtZM28tX01fTnR4UFFZUU1vOGpTRXc3VkZ4R0R5WEFkOEFmNnEwRGljcWNDVDRnODRXcW96M2FIV3NKbE1oT3J0dGpyTzM0QkEyRzdEVzh) |
| Yahoo | San Diego County steps up mosquito treatment as West Nile activity continues | [Source Link](https://news.google.com/rss/articles/CBMimwFBVV95cUxONlZCTjkyNmphWkFHaG9yWXFwME15ZTVYZ1ludzBrQjd4b1BidnFBbndmYmdqQlpCTU1HOUREcTJCUUowZk01RTlwdHZobWowNTJsMXo2VU9fTmtyVjcteDVhdXRlRkdLeG4xQXFtdXJJT3hrTW52MFFOc1c4RmtlZ3JadnY5MEljaXdOaDNvc1JxSFRnVnRnQm5pVQ?oc=5) |
| NBC 7 San Diego | Fourth San Diego County resident tests positive for West Nile virus this summer | [Source Link](https://news.google.com/rss/articles/CBMixgFBVV95cUxQQkdfWlNCRDBQdWJiWV9OaEY2LTNmMnE5QU1Udi1neHlFU0E4T0dIYTd2NUJuTFA5MUlYdHdVWC1OSmZEZzV1VTJEUHlxWURHVGZxNW5FTk5aXzRoU3Q1OTIwVUNtVFhrWWJPWDF1bmVtNk54YXJGSEFnTm9uSm5zRjlpN3d0VXowU1MtMWFEU3lXNmlkbUEzZTFMdlk0YjRDR0lSU3d6N3V6SWpNQ0pOXzJqSFh0bVhWWFFEZkp6ck05TElyNVHSAc4BQVVfeXFMTzEzRkZfNmh2MW1tc1RKVWN1aFUxUU1qQUg2MGtaaTVlcE55OURhNmdnNGw4WGZ1YlJHOHhZMWV5d3ZfbThfRXMxX0YyYmRrSTBOZHBEMXp6ZEtTWGJZanYzMDVGRFpsTUlzMVR2aHJ6OFZpdF9PdmM4c1BNNm95QTlwcFkzaGh2OVZnQVh) |
| San Diego County News Center | Fourth Case of Human West Nile Virus Has County Health Officials Urging Caution | [Source Link](https://news.google.com/rss/articles/CBMiswFBVV95cUxNRXo4TW1sWXNkRm9wRjFYVWwyYXl4eE1CajJZTWZkd2NWQXN5Uk5kOTcwMFBJSnk5TUtyRU5ZYWQ1c1o2SHl3bW9RbjV1UDhrbnVKM0xia3kwZzNIcmU2M1dMV3VpZmVMUWQ1Tm95dDNVUVE1U3daX01QX0pNS1hFeWtZS2lEczh5RkdyRTlQamlwX200SS1WMXZCSE12LUVuWGN3OFN6cXJkeFF2Wk5fRWsyd9IBuAFBVV95cUxPTkhnRGsxa05WRlhENktPdEQwbUlQNk1NY19RSlR1UWRYcmtENGRTYW1VYUlya3JnWHhjVG9PRDNubW42V191ZnR0TUJBT1dja2d0Ujh2MTR5LTZEZkZ1VENjSUd4QW9mcmlvcVBraTgtYVNOQnRSWEFDMGpQa2JLU3cxY3JpWnVIZEJfRkhxMUpyT3BKRW90T1hlOXAyNnV) |
| cbs8.com | Fourth person tests positive for West Nile virus in San Diego County | [Source Link](https://news.google.com/rss/articles/CBMi2gFBVV95cUxPUUE2ZzZqQWVRYTlSWWYzTjZFb1R3UUp4NFA4dTJQMGh1R0JNMEpKN0lYcFFBUTJ6Q0tzUzRnbjRwVlpuSWpmd0pWZjZJTUtPd1BUYmhsVGZRX2YxaWs0S19MZFpWQVlvNF9XN1FUc21sTHZ5WTdtNWFaWmU2N3Azd0ZJbEJGanhOWDB6OExieU03V0hUTHNxT3JIdXp1S2FWcE9DSDZkbWhoMU51d0JVcjNxSlpQdlFKY0ljN1hEem9PY1A2R2gzbjNDZUtlOXAxeUduUUM1NUpoUQ?oc=5) |

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*Canonical Source: https://pulse.byoviral.com/trend/2026-08-05/fourth-person-tests-positive-for-west-nile-virus-in-san-diego-county*