DALLAS -- A student from Thomas Edison Middle Learning Center in Dallas is in the hospital with a suspected case of tuberculosis (TB).

The Dallas County Health Department has sent home letters to parents and will offer testing for those who've had direct contact with the student next week.

Our TB staff is working hard to determine the extent of possible exposure to students and staff where this student attended school, said DCHHS Director Zachary Thompson in a statement. Thanks to the cooperation and helpfulness of the school s administration, we expect our department s response efforts to be routine.

Tuberculosis is a potentially-fatal bacterial disease that usually attacks the lungs, but can also affect other parts of your body such as your spine, brain and kidneys, according to the health department. People who come in contact with a person infected with TB disease must have prolonged exposure with that person in an enclosed environment for transmission to occur.

Symptoms of TB disease include feeling weak, weight loss, fever and night sweats. If the disease is in a person s lungs, they may also cough and have chest pain and may cough up blood.

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