Search results
Results From The WOW.Com Content Network
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 ...
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 .
How is tuberculosis transmitted? Tuberculosis is a disease caused by a bacterium called Mycobacterium tuberculosis, per the CDC . Tuberculosis spreads through the air from one person to another.
Ultimately, though, TB can avoid the mucus traps and make its way to the deep airways and alveoli where we have macrophages which eat up foreign cells, digest, and destroy them. With TB, they recognize foreign proteins on their cell surface, and phagocytize them, or essentially package them into a space called a phagosome.
Latent tuberculosis (LTB), also called latent tuberculosis infection (LTBI) is when a person is infected with Mycobacterium tuberculosis, but does not have active tuberculosis (TB). Active tuberculosis can be contagious while latent tuberculosis is not, and it is therefore not possible to get TB from someone with latent tuberculosis.
Rojas had tuberculosis when he painted this. Here he depicts the social aspect of the disease, and its relation with Living conditions at the close of the 19th century. 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.
To appease these spirits, they would provide food, bonfires, and sacrifices (livestock and crops). Around the 9th century, as Christianity spread throughout Europe, Catholic festivals such ...
Three women who were diagnosed with HIV after getting “vampire facial” procedures at an unlicensed New Mexico medical spa are believed to be the first documented cases of people contracting ...