WILLMAR -- Kandiyohi County Public Health is working with an active tuberculosis case connected with the Willmar Middle School, the department said Monday.

The individual is undergoing treatment and no longer presents a risk to others, according to the public health agency. Letters have been sent to Willmar Middle School staff and families to notify them and provide information.

With guidance from the Minnesota Department of Health, Kandiyohi County Public Health staff are conducting a contact investigation and working with close contacts to ensure they are appropriately screened for tuberculosis exposure.

The Public Health Department said there is no recommendation at this time for broad screening.

Tuberculosis can be contagious but is not easily transmitted to others. The disease is caused by bacteria that typically spread through prolonged close contact with someone who is infectious.

There is minimal risk to the general public, Kandiyohi County Public Health said in a news release issued Monday.

Information about tuberculosis, or TB, is available on the Minnesota Department of Health website at www.health.state.mn.us. Individuals with specific concerns are asked to contact their health care provider or call Kandiyohi County Public Health at 320-231-7800.