Here’s a look at Tuberculosis (also known as TB), an infection, caused by a bacterium called Mycobacterium tuberculosis, that usually affects the lungs. It can also infect other parts of the body ...

Tuberculosis bacteria rely on a family of genes that help them survive the challenging journey from one person’s lungs to another person’s during coughing, sneezing or talking, according to ...

Scrofula occurs when tuberculosis bacteria affects an area outside the lungs. The main symptom is swelling on one side of the neck due to swollen lymph nodes. Scrofula is uncommon in the United States ...

Background Nutrition is a critical determinant of tuberculosis (TB), providing a protective effect at high body mass index ...

Dear Doctors: I am 14 years old and recently had to test for tuberculosis. What is the common age range for tuberculosis? I did some research and learned that there are both latent and active ...

Two recent events have nudged tuberculosis, the leading infectious cause of death around the word, onto the world stage. The first was the World Health Organization’s Global Ministerial Conference on ...

Tuberculosis, or TB, is an infectious disease that mainly affects the lungs but can also spread to other parts of the body. It is caused by bacteria called Mycobacterium tuberculosis and spreads from ...

As of early 2025, tuberculosis cases are increasing in the U.S. This disease, often shortened to TB, causes significant lung damage and, if not treated, is almost always lethal. World TB Day on March ...

Tuberculous peritonitis occurs when tuberculosis (TB) spreads to the protective lining of your abdomen. This can cause abdominal pain and swelling, but early antibiotic treatment can help. Tuberculous ...

When TB affects the kidneys, symptoms are often different than when it affects the lungs. When symptoms appear, they often resemble those of a urinary tract infection. Timely treatment is important to ...

Active tuberculosis (TB) disease can transmit from person to person, but latent TB infection is not contagious. Active TB typically transmits through droplets in the air. The bacterium Mycobacterium ...