Vigo County says students and faculty at Woodrow Wilson Middle School could have been exposed to tuberculosis.
Health officials say TB is not active in those patients and there is no cause for concern.
The Howard County Health Department confirmed that a Kokomo woman has been diagnosed with tuberculosis.
Health educator Penny Caudill says Monroe County tends to see about 10 cases of latent TB a year, and around 5 cases of active TB.