# New measles case reported in York County as outbreak grows in south central Pa.

> **Open Intelligence Dossier** · First detected: 2026-06-24 23:07 UTC · Category: Health

## Executive Summary
A measles outbreak is expanding across south central Pennsylvania, with new cases identified in York and Northumberland counties.

## Intelligence Brief
A total of 73 measles cases have been recorded in Pennsylvania during 2026. Recent reports indicate the virus has spread into York County, while Lancaster County has identified four additional cases in the past week. Detection efforts also include the discovery of measles in Delaware County wastewater samples.


Coverage from outlets including LancasterOnline, PennLive.com, The Philadelphia Inquirer, and WGAL emphasizes the regional surge in cases. Public health messaging highlighted by WITF and other sources focuses on vaccination as a primary method of protection against the virus. Future developments remain dependent on state and local health authority updates.


Coverage does not yet specify the long-term containment trajectory or specific clinical outcomes for those affected by the current outbreak.

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| LancasterOnline | Follow the golden rule and get vaccinated to protect vulnerable people around you [letter] | [Source Link](https://news.google.com/rss/articles/CBMinAJBVV95cUxNV3U4RWo1RVhwSE5oSDNPVUViQkFDdWZhMGgtV3hkcWxWZjFwYzViWHhULTBnb2lpRFpjcG9uN2Yxbjl4Rlh4dWVqOHRPQWhEYlhaVEo4RTU2MkYzdXNQSDJJS0RscjJwMEZHczhQVkxJcEZOeWpjcjhkelVYVmJiLXNiTmk5djJmM0hCNXk4cUFhbGlPLURmVDJoQW5EV3h0d1VCUkdaa3V0eHdtY3ppU3VUWHBpMVc0TzRWWDA2RE5CWjZOLWlCNHpmaV9abkxUcmVvOHZsWW1XTXF4V0ViTFM3NDFnV0VEZWhHbjlqaHh1WXphUzhGVl92UzZRR3pZSEdGaU9VeEVDOHVvLTlya0xRSkNkNS1tbEdvdw?oc=5) |
| Inquirer.com | Delaware County detected measles in wastewater samples, health officials say | [Source Link](https://news.google.com/rss/articles/CBMipgFBVV95cUxQeXJBd055U0Nqb1NtbTFPQTVUNFg5cWdMT1NHLTlJYjg3Mi1fSkQwZ08zUDdzUENMMjFIbmY4SmV3UFZ1bVBXd05BOEJvV2F4bThJUWxzbWNzRnVRcEplT2QxdTFOWmVTdDJwWHJJcF9TMkxqZDViM2xqMGNBYlhfMkgtWW1RT2V2Mk11VnBWWGZVUjc4T2c2amJydDBmV3piLWhGTWZB?oc=5) |
| PennLive.com | Measles cases surge in the state, with central Pa. counties leading the way | [Source Link](https://news.google.com/rss/articles/CBMiugFBVV95cUxOSS1IcWFiRmdWb0JuV2cwX3FEaEE2c2dEUS1NaXJac3F0RExNWFZJUURtUjB4QTR4X1hDT1B0VW5nZ2NVZzktQ0JucmNUN2FPVVFRQ0ctdTVqaElzOTltOHFNLWFkaWFaM3pqbWlaRnc3QkRyWlhtSEdmS2dqdXBTNVJaNkxGc0lXeUhoTGE1NUdibUJvczFadE5vSF9PUkdmQ0gtaGNiWmRLd2tCTmJXU0t6YXlVaDczWmc?oc=5) |
| Pittsburgh Post-Gazette | Pa. measles cases jump, spread to Northumberland County | [Source Link](https://news.google.com/rss/articles/CBMikwFBVV95cUxPRmJxQjVKZzlFSldYYTI3RXdZck9GN0FQVURPWENiMFlfNTV3eXN4aFltUDVTcDV5dkZtV3pPVF9NdFpxU055ekpoM0pKRFNzOVl2djE2MnRWc2lyekVNVE5INUFpa045djJiS0pvUEZGWU5PNlNPY2tubUxMYzV4R3BVcFM1MWQ0UlZxZFJHX2plWm8?oc=5) |
| WITF | Vaccination is best protection in Central Pa. measles outbreak, experts say | [Source Link](https://news.google.com/rss/articles/CBMiqgFBVV95cUxQSFdXcWxIdGFqZm8yQ2FJQWwxU1VmOHlBeVo1aXdXcXgydW13Qi1RS2JwVFVMX2I0OHdiN0tWQ2x5TzZ5NjZCR0h4bWl2SEJFVVFtSTFmOWhHMkNFSFJLdlJQdDJvN1VENmJ6WjAtd3l4SzVqeEFMOVM1UWp2SFF4eTBLOEw2ZmZQVk9oa2ZnZVJudHpuZ0k3b00zZkVHaHNidjdQTkpjaU5hQQ?oc=5) |
| LancasterOnline | Measles outbreak moves into York County; Lancaster County sees 4 more cases in past week | [Source Link](https://news.google.com/rss/articles/CBMiiAJBVV95cUxQMnNIOUNJM1hqdktmVTljdXNZampESTBveXVEMFB6dmNsZ0ZuMWtXUXFaSVVJRF85bE8yR2lxaHRkQkVQczYzUmhLRnlvdWUzbkRYOWFRT0R5NUQ2ODBlTU1KdmxtSk05YkdyNkRQam94bUdKZXlwTmxyOTdjZEFsX0FScTF2bVpzcUkybG1CMWx6bUlPc1ZkQ2JOa3paQll3UXpiMnhwcVdjaUpKbWJzT2xHUjVXQzgxTUlpamxndS1mMThqN2ZZNXJ4MlRieVdab3ItLVRpWjBxRjQ3a0tUb0J2TE1oaE5jUVZ2UC1kaVNoTkxoTU9MS1E0d00zR0theTVqYW01Y0o?oc=5) |
| WGAL | 73 cases in 2026 - Pennsylvania has reported 6 new measles cases this week | [Source Link](https://news.google.com/rss/articles/CBMinwFBVV95cUxNTGZ0czVCdUZ1TE1mX1BNVTItUTF3VURZbVlha2ZlYVB1dUhtVkZYbHloU3lTWWZKUWhsR2d6REpxWVRNSnJvakZqMkJjcURmZzlmZVZnMkk5dU1jVlVnOUIwS1c1Y3NpOHgySV8wajAtX3Z5S053T21xS3BzVnBHQlZZX2NyNkxHOGpDWXNfek93eW5oYWgxMWJnclZWOVk?oc=5) |
| FOX43 | New measles case reported in York County as outbreak grows in south central Pa. | [Source Link](https://news.google.com/rss/articles/CBMi-gFBVV95cUxPV3pKQzljWU9fYi1WNm9LR1lEbFpMRkxndEtaaEkzdl9saHBQTDZUZEJHVE9FLUFZejl1V191dmljMEhrYlN5cUc2M1N5aFJyNDJpOTdYNEZWWTFVaGJoLUNDM1p6eUZKeWE0b05qeWJ3cW5pMXoyYXZPRV9KRTN1T0R0Y3hsN28ybHVLbFlZNEY2UENpZHdKZXI3OE5LRDZic0dJWHVYekhMNFh5SXNUTy1CTlhqSjVCZHdTaUtnOVJXYV9nTnYtRXFMZi1ueTNrZ3BSY1R6U1ZselBVSlI0TXNzd0gwVm42ZUpmaHVlOVYwT1lJZkQtVnFR?oc=5) |

---
*Canonical Source: https://pulse.byoviral.com/trend/2026-06-24/new-measles-case-reported-in-york-county-as-outbreak-grows-in-south-central-pa*