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Multiple variants may be present simultaneously. Tuberculosis of the lip, secondary to open pulmonary TB. There is a popular misconception that tuberculosis is purely a disease of the lungs that manifests as coughing. [47] Tuberculosis may infect many organs, even though it most commonly occurs in the lungs (known as pulmonary tuberculosis). [8]
Mycobacterium tuberculosis (M. tb), also known as Koch's bacillus, is a species of pathogenic bacteria in the family Mycobacteriaceae and the causative agent of tuberculosis. [ 1 ] [ 2 ] First discovered in 1882 by Robert Koch , M. tuberculosis has an unusual, waxy coating on its cell surface primarily due to the presence of mycolic acid .
Common infections that spread by airborne transmission include SARS-CoV-2; [14] measles morbillivirus, [15] chickenpox virus; [16] Mycobacterium tuberculosis, influenza virus, enterovirus, norovirus and less commonly other species of coronavirus, adenovirus, and possibly respiratory syncytial virus. [17]
Some individuals may be infected with the tuberculosis mycobacterium but never display symptoms. [27] Called latent tuberculosis , these cases, while uncontagious, are particularly problematic from a public health perspective, since approximately 10% of those diagnosed with latent TB will go on to develop an active (and contagious) case.
An infectious disease agent can be transmitted in two ways: as horizontal disease agent transmission from one individual to another in the same generation (peers in the same age group) [3] by either direct contact (licking, touching, biting), or indirect contact through air – cough or sneeze (vectors or fomites that allow the transmission of the agent causing the disease without physical ...
The bacterium that causes tuberculosis, Mycobacterium tuberculosis, is generally spread when an infected person coughs and another person inhales the bacteria. Once inhaled TB frequently grows in the lungs, but can spread to any part of the body. Although TB is highly contagious, in most cases the human body is able to fend off the bacteria.
Management of tuberculosis refers to techniques and procedures utilized for treating tuberculosis (TB), or simply a treatment plan for TB.. The medical standard for active TB is a short course treatment involving a combination of isoniazid, rifampicin (also known as Rifampin), pyrazinamide, and ethambutol for the first two months.
"A person with TB disease may feel perfectly healthy or may only have a cough from time to time." [12] However, these symptoms do not guarantee tuberculosis, and they may not exist at all, yet the patient may still have active tuberculosis. A person with symptoms listed may have active tuberculosis, and the person should immediately see a ...