The Oklahoma State Department of Health confirmed Thursday it had launched expanded tuberculosis screening in Enid after identifying additional active cases tied to a local exposure site. Contact tracing was underway for hundreds of potentially exposed residents.

The department said the initial case prompted an investigation earlier this week, with health workers notifying individuals who shared enclosed spaces with infected patients. Screening clinics were set up to offer skin tests and chest X-rays to those at highest risk.

Tuberculosis spreads through the air when people with active disease cough or speak, and symptoms can take weeks to appear. The OSDH said most people exposed do not develop active disease, but latent infection requires monitoring and, in some cases, preventive treatment.

Garfield County health officials urged anyone contacted by the department to attend screening appointments and not to panic. Tuberculosis is treatable with a standard course of antibiotics, and the risk to the general public in Enid remained low.

The OSDH said it would continue updating the community as test results returned over the coming days and pledged to coordinate with the U.S. Centers for Disease Control and Prevention if the case count grew.