Two types of tests can identify a TB infection, but how often you should get a tuberculosis test depends on your exposure risk. Tuberculosis (TB) is a serious disease that mainly affects the lungs.

A blood test can check for tuberculosis (TB). If you have a compromised immune system, you may need to have this test periodically, even if you don’t have symptoms.

According to the World Health Organization, more than 10 million people contract TB each year and roughly 1.5 million people die each year from tuberculosis infections.

Millions of people are spreading tuberculosis unknowingly - now scientists say they are close to developing a new test that is as simple as the lateral flows used during the Covid pandemic.

Kansas is dealing with the largest TB outbreak in modern U.S. history. Here's what to know about tuberculosis testing and cases in Tennessee in 2025.