Clinical Overview of Tuberculosis | Tuberculosis (TB) | CDC
M. tuberculosis and seven very closely related mycobacterial species (M. bovis, M. africanum, M. microti, M. caprae, M. pinnipedii, M. canetti, and M. mungi) comprise what is known as the M. tuberculosis complex. Most—but not all—of these species have been found to cause disease in humans. In the United States, the majority of TB cases are ...
Tuberculosis: Causes and How It Spreads | Tuberculosis (TB) | CDC
2024年3月6日 · Tuberculosis (TB) is caused by a bacterium (or germ) called Mycobacterium tuberculosis. When a person breathes in TB germs, the germs can settle in the lungs and begin to grow. From there, they can move through the blood to other parts of the body, such as the kidney, spine, and brain. TB bacteria can live in the body without making you sick.
Tuberculosis (TB) | Tuberculosis (TB) | CDC - Centers for Disease ...
Tuberculosis (TB) is caused by a bacterium called Mycobacterium tuberculosis. Official websites use .gov. A .gov website belongs to an official government organization in the United States.
About Bovine Tuberculosis in Humans | Tuberculosis (TB) | CDC
2024年5月20日 · M. bovis is most commonly found in cattle and other animals such as bison, elk, and deer. In people, M. bovis causes TB disease that can affect the lungs, lymph nodes, and other parts of the body. However, as with M. tuberculosis, not everyone infected with M. bovis becomes sick. Inactive TB. TB germs can live in the body without making you sick.
Preventing Tuberculosis | Tuberculosis (TB) | CDC - Centers for …
2024年3月7日 · People with inactive tuberculosis (TB), also called latent TB infection, can take treatment to prevent the development of active TB disease. People with active TB disease of the lungs or throat may need to take steps to prevent spreading TB germs to others.
Treatment for TB Disease | TB | CDC - Centers for Disease Control …
2023年3月22日 · People with a baseline M. tuberculosis isolate known or suspected to be resistant to RIF, INH, PZA, or any fluoroquinolone; For additional questions and answers about the 4-month rifapentine-moxifloxacin regimen, visit …
Guidelines for Preventing the Transmission of Mycobacterium ...
2005年12月30日 · M. tuberculosis is carried in airborne particles called droplet nuclei that can be generated when persons who have pulmonary or laryngeal TB disease cough, sneeze, shout, or sing (30,31). The particles are approximately 1–5 µm; normal air currents can keep them airborne for prolonged periods and spread them throughout a room or building (32).
Clinical and Laboratory Diagnosis for Tuberculosis
5 天之前 · Direct detetion of M. tuberculosis in clinical specimens using nucleic acid amplication (NAA) and, as applicable, molecular detection of resistance. Nucleic acid amplification (NAA) tests are used to amplify DNA and RNA segments to rapidly detect M. tuberculosis DNA in specimens in just hours, compared to a week or more for detection of TB ...
Clinical Testing Guidance for Tuberculosis: Interferon Gamma …
2024年5月9日 · The TB blood test (interferon gamma release assay [IGRA]) mixes a patient’s blood samples with peptides that simulate antigens derived from TB bacteria and with controls. The TB antigens were chosen because they are found in M. tuberculosis complex, including M. bovis, but they are absent from BCG and from the majority of other mycobacteria.
Tuberculosis Vaccine | Tuberculosis (TB) | CDC - Centers for …
2024年6月14日 · Bacille Calmette-Guérin (BCG) is a vaccine for tuberculosis (TB) disease. The vaccine is not generally used in the United States Many people born outside the United States have been vaccinated with BCG.