Tuberculosis and Black Americans: What You Need to Know

Tuberculosis still spreads in the United States, and Black communities feel it. In 2024 the country reported 10,388 TB cases, the highest count in more than a decade. Among people born in the United States, Black Americans had more TB cases than any other group: 769 of them. The good news is that the version of TB most people carry is silent and curable. You feel fine, you cannot spread it, and a test plus a few months of pills can stop it from ever waking up.

There are two states, and the difference is everything. With latent TB infection, the bacteria live in your body but stay inactive. You have no symptoms, you do not feel sick, and you cannot pass it to anyone. The only way to know you have it is to test for it. With active TB disease, the bacteria multiply, you get sick, and if the disease is in your lungs you can spread it to people around you through the air.

Latent TB is common. The CDC estimates up to 13 million people in the United States carry it. It is not a life sentence, but it is not nothing either. Without treatment, about 5 to 10 percent of people with latent TB go on to develop active disease at some point in their lives. The risk climbs higher for people with diabetes, HIV, certain cancers, or any condition that weakens the immune system. More than 80 percent of US TB cases come from longstanding, untreated latent infection that was never caught. That is the case for treating it early: clearing the dormant bacteria now means the disease cannot wake up later.

TB tracks the gaps in the health system. Among the 2,063 TB cases reported in Black Americans in 2024, the largest share of US-born cases in the country landed in Black communities. TB thrives where people face crowded housing, delayed diagnosis, and uneven access to primary care, and those barriers fall hardest on communities that the system already underserves. Latent TB makes the problem quieter and more dangerous, because someone can carry it for years with no symptoms and no reason to test. By the time active disease shows up, the window to prevent it has closed.

This is not new and it is not breaking. TB has been part of public health in the United States for generations, and the 2024 numbers are a reminder that it never left. The action is the same as it has always been: know whether you carry it, and treat it before it becomes disease. A Black primary care clinician can order the test and walk you through what a positive result means.

Active TB usually starts slow and builds over weeks. The classic warning signs of TB in the lungs are:

• A cough that lasts 3 weeks or longer
• Coughing up blood or phlegm from deep in the lungs
• Chest pain
• Fever and chills
• Night sweats
• Unexplained weight loss and loss of appetite
• Weakness or fatigue

A cough that drags on for three weeks is the one people most often brush off as a cold that will not quit. With active TB, the symptoms are mild at first and worsen over weeks or months. TB can also settle outside the lungs, in the lymph nodes, kidneys, spine, or brain, and those cases can cause fever, night sweats, and weight loss without much of a cough. Any of these symptoms lasting more than a couple of weeks is worth a clinic visit.

Testing is simple. There are two options. The TB blood test, called an IGRA (interferon-gamma release assay), uses a single blood draw. The TB skin test places a small amount of testing fluid under the skin of your forearm, and you return in 2 to 3 days to have it read. Either one tells you whether TB bacteria are in your body. A positive result does not mean you are sick. It means you have the infection, and your clinician will run more tests, usually a chest X-ray, to find out whether it is latent or active.

The CDC recommends testing for people at higher risk of carrying TB, including anyone who was born in or travels often to a country where TB is common, anyone who recently spent time with a person who has active TB, and anyone with a weakened immune system from diabetes, HIV, cancer, or certain medications. If any of that fits you, ask your clinician for a TB test by name. It is a routine, low-cost check that many people never think to request.

Treatment for latent TB is far shorter than it used to be. The CDC and the National Tuberculosis Controllers Association now prefer short, 3 to 4 month pill courses over the old 6 to 9 month regimens, because they are safer and far more people finish them. The two most common short regimens are:

• 3HP: isoniazid plus rifapentine, taken once a week for 3 months (12 doses).
• 4R: rifampin, taken daily for 4 months.

A third option, isoniazid plus rifampin taken daily for 3 months, is also preferred. Finishing the full course is what clears the dormant bacteria, so it matters to take every dose. Your clinician or health department will tell you which regimen fits your health history and any other medications you take.

Active TB disease is also curable, but the treatment is longer and more involved, usually several drugs over many months under close supervision. That is exactly why catching and treating the infection while it is still latent is the better path. A short pill course now is far easier than months of treatment after the disease takes hold.

Start with a primary care visit. Ask your clinician for a TB blood test or skin test, especially if you have any of the risk factors above. If you do not have a regular doctor, your local or state health department runs TB control programs and is the place to get tested and treated. State and local health departments hold the primary responsibility for TB in the United States, and TB testing and treatment are often available through them at low or no cost. You can find a Black primary care clinician to order the test and explain your results. For more on how TB has moved through US communities recently, see our reporting on large TB outbreaks in the United States and the Black share of cases.