Tuberculosis in DuPage County: Prevention and Control Efforts by DCHD

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In 2023, there were 41 active TB cases reported among DuPage County residents, highlighting the need for continued efforts to prevent and control the spread of this contagious disease. The DCHD plays a vital role in preventing and controlling communicable diseases like TB by working closely with healthcare providers and patients.

Tuberculosis is a potentially life-threatening disease that spreads through the air when an individual with active TB coughs, sneezes, speaks, or sings. Those with TB are most likely to infect people they regularly interact with, such as family members or coworkers. However, TB is preventable, treatable, and curable through timely diagnosis and treatment for both active TB disease and latent TB infection.

Individuals with latent TB infection do not spread the disease to others but are at risk of developing active TB if left untreated. Those with weakened immune systems, particularly individuals with HIV, face a higher risk of TB disease. Treating latent TB infection is an effective way to prevent the development of TB disease.

The DCHD’s TB Clinic provides services to DuPage County residents, including testing, diagnosis, and treatment for TB infection and disease. Appointments are necessary for all services, and walk-ins are not accepted. To schedule an appointment, individuals can call (630) 682-7400. For more information on the clinic’s services or how to prevent the spread of tuberculosis in your community, visit the DCHD website at

It is important for individuals to take steps to protect themselves from contracting tuberculosis by covering their mouths and noses when coughing or sneezing in public spaces and avoiding close contact with individuals who have been diagnosed with active TB disease or latent infection.


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