# Third St. Louis County measles case confirmed in connection with train exposure

> **Newsylist Open Intelligence Dossier** · First detected: 2026-09-22 19:29 UTC · Category: Health · Sources: 7 · Current Velocity: 4.63

## Key People, Organizations & Locations
Third, Louis, County

## Multi-Source Evidence Table
| Source Outlet | Headline | Published (UTC) | Verification URL |
|---|---|---|---|
| Hoptown Chronicle | Measles update: There are now 49 cases in current outbreak and 7 hospitalizations | 2026-09-23 14:07 | [Source Link](https://news.google.com/rss/articles/CBMirwFBVV95cUxNOVZrSUZOdU5FRXBZZmxVckV1cnhGUEpTUGxsbVBnOVROa19wWGV1ZXJhbkxZMjFMTTdva0dDUXVuR3VvVUdkdUlBWlE5S21MVTlwM2ctREZ2YlZYRmRYNUdObUZvUVluXzkyVlZlcmZ5NUozSWZrNmpYVmNvT3g3ZVRNNFRWV1AtYlZ6a0Z5aUVwYUo2eHlwb2plb2h6VklxekhKNnhYczMxekd0cktB?oc=5) |
| Medical Daily | Kentucky Records Its First 2026 Measles Case in a Fully Vaccinated Person as Statewide Count Climbs to 53 | 2026-09-23 14:07 | [Source Link](https://news.google.com/rss/articles/CBMikgFBVV95cUxNSHZJWG4zY3RJbHk5a1k2V3ZUZnNIYXdtNE5DMVljM2dDbFN5ZU0xRThjNms5TUhUVk82T2ZLaHlyNVBST3hCVjdFNEJBSTN0eENoX0VqNm1MNVhKV29sRXJ6THpFRlVYbVlqUDlReldrdllOZGNSS0cyaE5Sckp0enUwcFVXUHFlQXVObnE4TjJHUQ?oc=5) |
| nortonhealthcare.com | Think measles is a childhood disease? Here’s what adults need to know | 2026-09-23 14:07 | [Source Link](https://news.google.com/rss/articles/CBMiY0FVX3lxTFBGRUUwRzFmaTRZd0U3emNVSVJyOUxYS0VaT0xxejFTNmNXLVp2QzVUZ2ZjVFpwTzFadDVhd3F0aFg0LWlXeHdTQXcybEFKcUQ0TVc2R2lraDJMeUpGeDlHNnM2cw?oc=5) |
| WKTV | Measles Case Confirmed in Herkimer County | 2026-09-22 16:39 | [Source Link](https://news.google.com/rss/articles/CBMiwgFBVV95cUxNdUdIbTZrZEFnYkFNVW5BMVg0dUw0aTNPbnhpSFNTekxJZzQ4V09ERTIxS09xckRuaXhxUGZuRFpjblV5UnN4eEljaURDRzNHcm84T202NnNHd3EwVngySzNfZXd4a2JkTnByeHZZSGJaWk16VE1KTkJhUDZLOTJEbVJPR29UUlJtUThacVNHQ2xlUEhyVzJKVGFBRTk4MDhjOWgtSFlfVDFoM1haY3NMT2xHOVdSTDBDcU9WaGNUYmZtUQ?oc=5) |
| Yahoo | Third person diagnosed with measles reportedly visited Busch stadium | 2026-09-22 16:33 | [Source Link](https://news.google.com/rss/articles/CBMilwFBVV95cUxPcjg4UUFLRnZYeWsyRkRXUEtsR3NiZ3g5Xzk5NW5zd0FMTzBLUmVzVlRtc2lRYVVHaHFXR1Rua1h3TTV1XzBMS1hpdHVFS19nSHlIU0p3N1ZVY0R1UGxVc29vb0g0Y0Rab2lZN2VhRm1NZnpUVXdUbU5nQTdpQVFhcE1VUVphQmpLeTE0UU5sTlVONmxfTDA4?oc=5) |
| STLtoday.com | Third measles case linked to train that traveled through St. Louis | 2026-09-22 16:33 | [Source Link](https://news.google.com/rss/articles/CBMimgFBVV95cUxOX0ZpSmZVMWdhcGdVNFZKckczWHA5Tkk1a2xsZHlOeURJQlRheEZiOTZiSWxfbkl6TlhmU2lCLWV1dEFzdXd2bWNwVlJleEhTWDZWVnhoeUJJVDlhc2JSMDdXZ1YyNjYxWDJHTkVGS0UwS0hpMjRVMFpwMTVGSDFkcnZSSzV6M2xYbUxOdUJHSjdmc3E1eGk1dFdB?oc=5) |
| FOX 2 | Third measles case linked to exposure on Missouri train | 2026-09-22 16:33 | [Source Link](https://news.google.com/rss/articles/CBMilAFBVV95cUxNNll1RHhyU0tESHJRSGV4TEtpOUZWTy1CM3Fwcm1JNXpMVUNsQ01MNENYTWtRR2NRVjdUVFZKaFJ0VkdFZnJXWGZBdWY0TUlGNzVOSlVONzZ2aW1UUThRMTNCWXZvbEdZa3ZuWWwxTHBOS3NDR3ZrUzdHTzdWYUZES0lVcE5rcVc1ekZ3aXRqaUxjYlNw0gGaAUFVX3lxTE40UnVNdkJneWJyU3hSM1QyM3ZaTFhROENiMFBJLUFibWNmdnBHSXVNYnhHMnVEMGlRdzZQTTlGQjhuZ0lvMXQ2NGdaQnl1NzA0Q1NZdUpITWFlSjFIUDcyc1RNbm5uTVdpVVNmckkyemNYWEwwT2V0RnZlQWdMTmJQS2VDQVV6ZzBSSDhsZUI1ZmxvSWlFWXFMUVE?oc=5) |

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*Canonical Source: https://www.newsylist.com/trend/2026-09-22/third-st-louis-county-measles-case-confirmed-in-connection-with-train-exposure*
*Synthesized by Newsylist Open Intelligence Engine under E-E-A-T journalistic standards.*