What is tb stand for medical field?

In the medical field, "TB" stands for tuberculosis, a bacterial infection that usually attacks the lungs. It is caused by bacteria called Mycobacterium tuberculosis or M. bovis. TB can spread through the air when an infected person coughs, sneezes, or speaks. It can also be transmitted through close contact with an infected person or animal. Symptoms of TB include a persistent cough, fever, weight loss, fatigue, and night sweats. TB can be treated with antibiotics.