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Roughly one-quarter of the world's population has been infected with M. tuberculosis, [6] with new infections occurring in about 1% of the population each year. [11] However, most infections with M. tuberculosis do not cause disease, [169] and 90–95% of infections remain asymptomatic. [87] In 2012, an estimated 8.6 million chronic cases were ...
Tuberculosis spreads through the air from one person to another. Someone with an active infection can put the germs into the air when they cough, speak, or sing. Those germs can hang out in the ...
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 .
Tuberculosis does not always settle in the lungs. If the outbreak of tuberculosis is in the brain, organs, kidneys, joints, or others areas, the patient may have active tuberculosis for an extended period of time before discovering that they are active. "A person with TB disease may feel perfectly healthy or may only have a cough from time to ...
Kansas is dealing with one of the largest outbreaks of tuberculosis recorded in a single year in the United States since the 1950s, state health officials say. The outbreak in the Kansas City area ...
The history of tuberculosis encompasses the origins of the disease, tuberculosis (TB) through to the vaccines and treatments methods developed to contain and mitigate its impact. Throughout history, the disease tuberculosis has been variously known as consumption, phthisis, and the White Plague.
Tuberculosis is a disease that’s usually caused by a bacterium called Mycobacterium tuberculosis, according to the CDC. The disease can be broken into two groups: active and inactive (or latent).
TB is spread through the air from one person to another. TB germs are put into the air when a person with active TB disease of the lungs or throat coughs, speaks or sings, the CDC said.