# UPDATE: Health Officials Confirm Multiple Measles Cases in St. Mary's County; Possible Exposure at Three Locations Announced

> **Open Intelligence Dossier** · First detected: 2026-07-23 02:07 UTC · Category: Health

## Executive Summary
Health officials report new confirmed measles cases and potential exposure sites across Maryland and Ohio.

## Intelligence Brief
Recent coverage from outlets including The Star Democrat, WMAR 2 News Baltimore, DC News Now, and NBC4 Washington details an outbreak of measles cases and corresponding public health warnings. In Maryland, health officials have confirmed multiple cases across the state, bringing the state's total for the year to twelve according to reporting by DC News Now. NBC4 Washington and the Baltimore Sun note that several of these Maryland cases are tied directly to out-of-state travel. Additionally, specific alerts highlight a third measles case reported within a three-day window, alongside warnings regarding possible exposure locations at Carroll Hospital in Westminster, as covered by 930 WFMD Free Talk and WBAL-TV. Coverage from SoMdNews.com and The Avenue News confirms multiple positive tests specifically within Southern Maryland, prompting local authorities to announce designated exposure sites.


Parallel developments are unfolding in Ohio, where media organizations such as WKBN.com, WKYC, Cleveland.com, and Spectrum News report confirmed measles cases and exposure warnings in Ashtabula County and Trumbull County. The Ashtabula County Health Department confirmed two cases in the county, with health officials subsequently identifying and publishing specific exposure sites to alert the public. WKBN.com and FOX 8 News indicate that potential exposure risks have similarly expanded into Trumbull County, prompting local health departments to issue active advisories. Across both states, the coverage heavily emphasizes the public health response, focusing on the identification of specific exposure locations, travel histories, and instructions for families preparing for trips as detailed by outlets like The BayNet. The broader context provided by the headlines reflects an active public health monitoring effort to contain the spread of the virus following initial travel-related infections.


Outlets emphasize the sequence of confirmations, starting with initial warnings of two cases in Southern Maryland and expanding to subsequent reports of additional cases, hospital warnings, and out-of-state travel links. Coverage does not yet specify the full epidemiological links between the Maryland and Ohio cases, nor does it detail the exact clinical status of every infected individual beyond the initial positive test confirmations. Future updates will depend on further announcements from state and local health departments regarding additional test results, the expiration of monitoring periods for identified exposure locations, and any new travel-related advisories. Readers and travelers are advised by local reporting to monitor updates from respective county health departments and state health agencies for the latest guidance on exposure sites and preventative measures.

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| WKBN.com | Measles exposure possible in Trumbull County, Ohio | [Source Link](https://news.google.com/rss/articles/CBMiigFBVV95cUxOVG43REJSUU1hRzBvZ1A2QzFmV0dzeFhxUzJtdmpON2RJNjhlS0VfTkVBd3dVdG91cFJiR1QyOHpOVEptb1dMTkhqNTk4QTBfcTdhTmRvSkcwS00wRjM2eUtaTzlYcTQ5T2JvbzFRS2ZwSmYxS2RiZXU4QlNyVWcwU2xDRTFMaFIyTGc?oc=5) |
| The Star Democrat | Two test positive for measles in Southern Maryland | [Source Link](https://news.google.com/rss/articles/CBMiwgFBVV95cUxNVzRreS1yOTE2Z0N4WGxSamhjalkyWXNCUlpGeXYwdTlDaHlTTGhtWl9NOEMyOEV5cFhIZG9wU0E3Vk1SSjk3UEFHODdYT1dXRndYOTF6bWdFcG9LU3FraHdCTjhkNkV5RGxZcWc1TTBsakFfTUVlWklvU0FQeF9FUXlVOVVYM3JNMmI0LXJfZ0JhcTJYa09oTEdhM1FwanlyUzdEUE9MdmlWcDRQbFB6bWtELUY0UEtxZWRDbG42dlNqZw?oc=5) |
| 930 WFMD Free Talk | Maryland Health Officials Warn of Another Measles Exposure at Carroll Hospital | [Source Link](https://news.google.com/rss/articles/CBMisAFBVV95cUxOVkl2RTBMcERFdkJ2eElDZ2FmRmFQbktEVVJRcW1Kc3l1WjhJY0lraGFJNWJDbDB1TGtGbHNTUnhpVXRROHdsc0gzNlFrVFQ5TW1hd1pkQjJfWUlfdTVGeUFuOWE3bkZCUC1vbXBFYnBheGZlQTNpUHdNQUdTRjJnbHlaYkhXREpSYzROY2dia0Jvei1SWVdIRmd0azJkRnRubVY0bHZxWDRmdlZtamd2Zg?oc=5) |
| WMAR 2 News Baltimore | Maryland reports third measles case in 3 days | [Source Link](https://news.google.com/rss/articles/CBMigwFBVV95cUxNOGRlTFc4NXVmcGVQMnZ0WThmUXZyaExZbkJHQW4xb1dldi16TkxNbF9xRWI5RnJFUlZjUnhTSFpMWmdaeFJ5VEZUQkttWDZ6eDlNYXJ5OU5sel9WUkhrRUhWbXJiVFlmSDA1T2p5cDRkN1pXRF9Pc2IteVlLRGtlUkRBOA?oc=5) |
| The Avenue News | Two test positive for measles in Southern Maryland | [Source Link](https://news.google.com/rss/articles/CBMi1AFBVV95cUxPaEdjYUJLUHRIMWV3ektFaEpaRTgwY01pTVdybXY4YmF2UF9GSjJqYl9uNFNMZVB0aktNVHBoY1ByNkUtdWw5V1diUGp4T2dtVEpIWHVtb0ZiRGhGempnQVhveThjeEplWWxHLUNkRm1leUxaRVZUSTJCdmZUVFMzeHVRdzh3d2dpZzBTZldyYVJRcFBHMUpRamVBV053OWdhcnlqcDZySW0xaC0xYk16QU0wVWYtQnNvQ284TVFSRERHZTBqSGhBdllOTFdiQ1BUTHZTMg?oc=5) |
| WBAL-TV | MDH warns of possible measles exposure in Westminster | [Source Link](https://news.google.com/rss/articles/CBMimwFBVV95cUxPSmJpeWRjTmh4ZHcwRlNyNjhSd2Fwc19DV1FJYVBMcjYzR3YzS0QtRml2NVkxemVRSjRZYjItRlBSQVNRaWRJZTkxYWo0dVE3aG8xMFQ0NGlzSktUS3d1WkJZNGhIT2Z0eWdZTHFKXzlpX1duUGtsMndQMUtYOFYtNTdyYk5OS2JYRlNLYmpEWTJ5dEp0b0ZsdGo3Zw?oc=5) |
| SoMdNews.com | Two test positive for measles in Southern Maryland | [Source Link](https://news.google.com/rss/articles/CBMi4AFBVV95cUxQdnBsN1VVVElKdU1aZjhRamdqUW9hQTFzM2R5MV9Xc042ZE53VjBPOVNuWVhMRGFRNEh4cFRnNjZOQktnWE1KN2ZnbC1sS3NuaWJzZE1tN0oza1ZLcmFlRXItemhERUoySVRPRXJmRi1RdTVGdXgwdGpteEZELUNsS0xsdk1ZNWdPTWoybUVqck1leF9DRFpkLVlJb3o2OTN3V2JWLWFGcEYyVk0td3oxcUhhcmdzYnNMcGdsd011YmtsQ3RGa1ZqQzBoWVNWX2gwajhhZldyMUE5b1N0YzhJYg?oc=5) |
| DC News Now | Maryland confirms 12th measles case in the state this year | [Source Link](https://news.google.com/rss/articles/CBMirwFBVV95cUxOMWdPcHJ2b2dicW0yUUU4dHJ5Z3RjXzE2T29LdEJNSVZKdVRrLWhNaWdDWWV4cnZQZmEtNkRZbmh5azBPZXNKR0UwZGl0QklyZ0JjUXFPU3Z2LW1kZTZiVzlxQTBzRUpkNGQ1SFZmYU9ETUNlcFhSWmJxZ2hubF9oOFdlYnZYRk5faDRIcUVIdVRJWGhvaHFWZG9zdjRTQUlsZjNHM0xqRVZwblNiTGVB0gG0AUFVX3lxTE5idnVmSmlpc2VleWlPV1U3c2ZScGJtM1lqQzBTVTdlUG8xQlIxNXpPWjNGSHZSbW91enppLUJDT2ZWOGk2NHhWcEZiWmZNVk5DaHIySmdsNU0yc2FwUVAzTVc2ZVpEc3N3dVVHQ1E4aWYxeDBoQ2hidW90NGJqNzB0NWdXUGxIazI0bm1tUHpwUy02dzhxQ18ydWpMcjFBdWhRWi1) |
| FOX 8 News | New measles cases, possible exposures in Ashtabula County | [Source Link](https://news.google.com/rss/articles/CBMihgFBVV95cUxOSWJhck1FbmxMYkVoc29qWkdKWHZKZ2x5TEg4T0tvcTJObS0zODBzZmJDV0FnZXFHT1JiaGo3a0o5ODFfUDNNbjVpOFBNa2k5MmRLU3QxaDNoLTBLYlJrVlVOSWJVdno2MEE4SERpQzNWR0FRWXpMVEdRSk9VdlEwME1RbE9Qdw?oc=5) |
| WKBN.com | Measles exposure confirmed in Trumbull County | [Source Link](https://news.google.com/rss/articles/CBMiqAFBVV95cUxQVFh3OU5vSmdYcGtEWkNxWG5uekJUWnh1SFJCS0s4RkJVMU40eDBINHdOYzdnYnNwTHpQaWNTT21odUdkNG9mcmFFc3R6UFV3STV6eGVPdVlBb0hNenBSWFRZRUZFbmlQN3FuVGs1aEVSQy1haXU5NmNudElIMmhRQkx3Xy1paDYzTVZGdkVaajB6UkF1VWV5bDFXbFllTWZwc3A4S3hhVjXSAa4BQVVfeXFMT1Y1ZUVkcmZPRllQX0lnS3hZbjNYblhvaFZ5U3AwYTFJRWJMM01uYTU3UnVLaGNneVN5VEs3X1VyUkJFcUtoeF9hWEFuM1ZlQXU4ajNIdUEwUGFvcmxxSFhJTnRLb2tacmhnbmNOYjJBNXp1VVZuZnMybG1uejRvYTRHb3VkeHdjVkZ3WGhmSVlEOUpWaWJINXBvNHVBUUtXX19YQmhtWEQtdUl) |
| WKYC | 2 measles cases confirmed in Ashtabula County; health officials identify exposure sites | [Source Link](https://news.google.com/rss/articles/CBMijgJBVV95cUxOSDRhVWJnZS1HUFNIN1gwMDhTS05YbVYxS1hZRjNyNUxQX1duZWIyVEN3emp2Tm9tTEVNVXcySzZLejdIVXJzQjE4R0lrOS1yWlBDTEpoTVV1QnFtV1M2QVU1amV1NTVMN21HQ0I5aGNfZTZZNVpzSjdXQS0xelFmSWdKUEZCTnpYcnRmY2tDWGpFQzNtRGxGZklXNnc3YTl4eHlFcWVkN1EwdGpFR0xWY2lRRjRWSnQtYTQ4RmpMSWVJd3B6a3pabGU5WGVvOHNvZ3U3YUZoUFFhalFsd013N0ZreWxhdTQ0RE9KT0E3X0FmdHp2MmVuRzRVbnBPeV9KMzJjek9PLUJaVkJqdEE?oc=5) |
| The BayNet | Maryland Measles Travel: How Families Can Prepare Before A Trip | [Source Link](https://news.google.com/rss/articles/CBMijgFBVV95cUxPN3gxSWVRV3pISEh2NWJtRkx1TC1ZQUZmLXY4VENiX0JfV2h6X0ZNRnlVRXNWb0x1cFdXdHpZLUx2dEJsMFIwdENibDhpa1RHaXhnNGRPNnh3M0dGcWF4SFlidjhUMU9RRDBSZjZ6dUUzX25NRU9NRjdpQUQ3U0x3LWtoOE9aaFpHNHdoWUNR?oc=5) |
| WUSA9 | 2 cases of measles confirmed in Southern Maryland, officials say | [Source Link](https://news.google.com/rss/articles/CBMixgFBVV95cUxOWkV4WnFqOTNVdV9FcW9mbnB3U0lqN3UxZHpBOWJ2VHQ2THUyZFJWOXVPM1NhYUhsZERlcl9Pd3EzQk15ZkZkQ3BCZ0ZubEdmaWt5c3FiYVROR0lfdVFrVzA1SE5ZdUhVc0Z3b0ptaEpkNk9leDVfY0R6MEpob0dFZjhwSTNFeU9vaFFGS3E5YjlEZmJNeTVfRUE1a2QzZDVMYVRBdzdiWUxFR3Q5RkJIRkJjazBfTFV1b05nUDFDQ1hXdUxsN0E?oc=5) |
| NBC4 Washington | Maryland confirms 5 residents with measles after out-of-state travel | [Source Link](https://news.google.com/rss/articles/CBMiuwFBVV95cUxNbWV0QktGd1prRF9GdkFNWGZmbDJJNWNTUVhBOUU0TWFkUXR1QzVNSkJpRVlxanhVUFFKaWJlcV9KaVR1ZEhqVTN3VDFZVDdYcEwtdGlNZkxUWVIwWm14cUtBbnIxZlFVblYxMWhKVjZuQkQ0cEl1UjIzZjROdzRYbGFsLW5zT3RZSTQ0UExxUkpJV3FsZ1hnaWlVZlpUU2ZGZzQ4engyMlZxQ2lIOFkxYkRlTVJyeTl3NS1j0gHDAUFVX3lxTFBpbGxXS0hoRTBLUlFLMWpxY09OakRSZzJ1Qmd0UkJ4emNDSVZqY3l4Q2FqLXFVZ1luWWRlUjdpb3YxQlp2dG9VZ3pEdy1zSTNUNTd2ZmF2Vm96a2lqWk5fb3F3ZmZpVG5ITWhVNmYzQUtxNzM3XzJTMmpPUjZVRU9ZNS0xQUdtNWlVTUdnYzBweGo1Tmg1bjF) |
| Cleveland.com | Two measles cases confirmed in Ashtabula County, Ohio | [Source Link](https://news.google.com/rss/articles/CBMiowFBVV95cUxNM0NIU2RMXzhjRm5zTVoxa3dFMnZGRzhLXzNHZXFiWm5CV01YWUVZVHVITE9uUmZ2d05rRHp1STJHa21kNGRKWmJ2TE1jOEpNMHNxb21OSWRPTzY4ejRUbnM3d3dmQ190Zm5MSmdtZkw5ZDJtTU9GYVd6TVdJaEo1Y0p4QXRkRUd5Y0xPVU9fbUFhZDR1M2ZBTHZ3RWcySjF4Q2d3?oc=5) |

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*Canonical Source: https://pulse.byoviral.com/trend/2026-07-23/update-health-officials-confirm-multiple-measles-cases-in-st-mary-s-county*