Officials plan to test about 300 students and staff at Kalamazoo Central High School after a male student was found to have tuberculosis.
Testing will begin Monday.
Kalamazoo County Health and Community Services official Linda Vail says the chances that others at the school contracted tuberculosis are "very, very slim."
Public schools Superintendent Michael Rice says staff members were told Wednesday about the testing.
Central High parent Jennifer Keyser tells the Kalamazoo Gazette she received a phone call Thursday from school officials saying her son "had been around the other student" and needs to be tested.
Tuberculosis is an airborne infection that attacks the lungs. According to state health statistics, there were 151 TB cases in Michigan last year and 21 so far in 2014.
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