# St. Louis County confirms first measles case in 20 years

> **Newsylist Open Intelligence Dossier** · First detected: 2026-09-17 20:29 UTC · Category: Health · Sources: 8 · Current Velocity: 7.07

## Key People, Organizations & Locations
Louis, County

## Multi-Source Evidence Table
| Source Outlet | Headline | Published (UTC) | Verification URL |
|---|---|---|---|
| STLPR | First measles case in 20 years confirmed in St. Louis County | 2026-09-17 18:59 | [Source Link](https://news.google.com/rss/articles/CBMinwFBVV95cUxNTWwxYWsxYjRPVGtxTUNjOVV3UWY3RTByaHN0eVZzc3VXY28xamw2T0pyeWhtb3JIN2lSWmlDZGp6d0RQTlVhNlVBZXlfZ2RIekc0X1ZPWUowblpOVWlsdmxrb1ZCV1pJcjAySUpvcC1lSXRoS1pCZ21HTDlFLUp6bFcyS1M3b250V1BZSU5WdkZUdTJ5NDl4dmRrcWlGWFU?oc=5) |
| spectrumlocalnews.com | St. Louis County resident has confirmed case of measles; first case in 20 years | 2026-09-17 18:19 | [Source Link](https://news.google.com/rss/articles/CBMiwgFBVV95cUxQcWhLZU8zcFl5QUkzWVR2RmlZUlRqazBOU0xzOHdxakpNLWoybmhUb2laUWVDaVEtWGt3dVdSakJwNXdEWHpBNlJNYlM0dkNOeUFGN0VCSUlheXZELWFUR2F3d3o3YWdtQTRHcU45NTd1dzhsOWlXdXdHc0x0ZDRkNVFoSGdTUzFIWXY0c3B6NjZxVFJ0TVpfbk16bGtXbXpFQWJpMmhrbDNBSlVVRzBhbmVrYnYtZFFGOGkwLVRaeXhhZw?oc=5) |
| stltoday.com | St. Louis County has its first measles case in 20 years. Here's what we know | 2026-09-17 18:19 | [Source Link](https://news.google.com/rss/articles/CBMihgFBVV95cUxPY2xFZ1JvWTktaXRfT3A1cVBhTlJsNlJteWF4UU5xV1NqNGxvWHA3NnAwbHEzZktzQk5hYjNkQ3FKTlpBYUk2VVZRTmwxZnQxLUdEOEhUMGI3RFg5WnB0bldsQ01INlhELWdidWZ4T3ZRUGw4R3hpNUFhcXdBSGZ1bXI3TmkzUQ?oc=5) |
| KMOV | St. Louis County resident diagnosed with measles, 1st case in 20 years | 2026-09-17 18:16 | [Source Link](https://news.google.com/rss/articles/CBMiqAFBVV95cUxNOXZKdGdkTjdXMkdyU2VTeThrU09XQXFWNy05UWp2eGxCM3FpRnlJRk9FYWZFZTZpZGx2UksxaWRjNzFkZ0JENThuZVJIcmtSdmZWSGFMNTVkQ25WYmNjaUI0ZzZTclpBZmFOOFdaeGVrRTR3TW1YNTdmZlJfUDc1V082TUYtTktSM25iSkctSGlDWjZXRXBYaHkzelVKcXh5amlkSXpPczPSAbwBQVVfeXFMT3ltSWZIUnp0MTdhdjliWjZyOFVwdXpnSDJuZWM0aEhmaUhIeWk3YVQxbnpqOGJBRHRwM2dqdTZVRzhxbmZsUzVSaHQzckFxMHU1RGRfMkdWVXB0VTlnUVNxWXhfcmFValEwQ2xPbUMzc3YyZE5jRk9rdzZhUzRfZkhqTHFaN3Vra2NZS19LTHU0MEh0QS05cmFqS1JzUzlUX1hsTGxpWUEzSml) |
| fox2now.com | St. Louis County reports first measles case in 20 years | 2026-09-17 18:16 | [Source Link](https://news.google.com/rss/articles/CBMikwFBVV95cUxQOXRqNmNBYTZNemlNX1FrZTZBWEdQRjY1UlBTd3QyZVhWZnE4WWZRZEVRekxEd0lGQ21obmM2VTJLcFpZcXZfVk0xSm5jVGNCRmE1YXI1ZXBJN0FKd0EzeTJIT2ROeFY5ZV9Xc2xaYzR0NmctdTZIdUk3NUVGMm9jVmdkS1dzbk9BVlpza25rNHZzc2vSAZgBQVVfeXFMUElaS1VxQzV4V2FadVUwRE9pMzBrTEVDU0U3QTR4ak83Smc2SjFlRmFNRzc4U0xqN3pRNFRIY3FreTdQTWZiamIxYkpHVHlWMzd4eGdBVWFvemdDcktMWWI1WHVHQ2RoSlhDQzQ5LU42aW9kRTZMRHJKNFdBSW0tRVpNUnA2X0lyVFJsUFFrTXBHY0QzYWoxVjU?oc=5) |
| FOX 32 Chicago | Another possible measles exposure reported in Chicago: What we know | 2026-09-17 18:16 | [Source Link](https://news.google.com/rss/articles/CBMingFBVV95cUxPMWFTVnc4ZnJ4VDVnX0d6a3lfTXFBY01wVkpDSFhOWGVsM0VlUDAtTE1UeXVfMWt6SlAzcDhjaElnR2ZaV1dhUVZhcGNrNkZzcDY1bzNJMlZRdURxMHV6MEx2T3FJY1dZQWpKVVBWeVJQZFBlbWtXUDNPa3gyZWg5OERHbnRlWk9zUjBocllzeTBJU2R4LVZoUi1rWHhJUQ?oc=5) |
| Yahoo | St. Louis County reports first measles case in 20 years | 2026-09-17 18:16 | [Source Link](https://news.google.com/rss/articles/CBMiiwFBVV95cUxPbW93YUcwaUFWX3hzRlpsZU5oX0diSDIxVTlxSURGZDFIdGRHZWtacWdhYUhWVmMzNmVfRzFubEV5TXpqNFBDTmNpcnhuTzctWDNhTkhnQUdnUWpYbDkxdFM5YVF1cTJ5NXlLbWVOQWswckI4NlFSS1BPSlZTUTRySW84TmFKbnRsSVdR?oc=5) |
| stltoday.com | St. Louis County reports first measles case in 20 years. | 2026-09-17 18:16 | [Source Link](https://news.google.com/rss/articles/CBMinwFBVV95cUxOSkQ3bXEwUURMWFNuRzJodFNoeVR3anl1dWFnQ3F0VFlhR3oyZFRiSVljZnlRWWI3d0JFUnNDR3hrOC1KM2xkUFBkNklkYXpuQ1UxWXJZTzUwdFl6T2NOVzVPLWVRc1EwaUZkLUIxbWVCYTlaOFVKYjBwU0QzVi1PQ29OZDlKYkNHMnFlakJ5RWNNNkhqWk8ydmdkNE43TXc?oc=5) |
| KMOV | St. Louis County resident diagnosed with measles, 1st case in 20 years | 2026-09-17 18:16 | [Source Link](https://news.google.com/rss/articles/CBMiqAFBVV95cUxNOXZKdGdkTjdXMkdyU2VTeThrU09XQXFWNy05UWp2eGxCM3FpRnlJRk9FYWZFZTZpZGx2UksxaWRjNzFkZ0JENThuZVJIcmtSdmZWSGFMNTVkQ25WYmNjaUI0ZzZTclpBZmFOOFdaeGVrRTR3TW1YNTdmZlJfUDc1V082TUYtTktSM25iSkctSGlDWjZXRXBYaHkzelVKcXh5amlkSXpPczM?oc=5) |
| KSDK | St. Louis County confirms first measles case in 20 years | 2026-09-17 18:16 | [Source Link](https://news.google.com/rss/articles/CBMixgFBVV95cUxOWHhTcU9jSUdvQ245ekZSTjNOcTNLZEpUS1ZGMDR4R3BpTHFnUlNpUlV3Y2J5ZW12dENRS1hLWHQwNElCV1AxejFILTFaaFc1V2wxUGMwTGZGN3pNY3dNNEx0V25IUS1QWk9TNzBmTWdPLS13alRXaG43VzJBdy1GQmJKdUViRjJlVVI4eDRJMm51Q1FOTjFmYzBhbDI4NVBrZlVQd0hpclRSSkEwbGg3QXRwRkgzaWFYODV0N003bHRqNWpTWVE?oc=5) |

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*Canonical Source: https://www.newsylist.com/trend/2026-09-17/st-louis-county-confirms-first-measles-case-in-20-years*
*Synthesized by Newsylist Open Intelligence Engine under E-E-A-T journalistic standards.*