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Tuberculosis generally affects the lungs, but it can also affect other parts of the body. [1] Most infections show no symptoms, in which case it is known as latent tuberculosis . [ 1 ] Around 10% of latent infections progress to active disease that, if left untreated, kill about half of those affected. [ 1 ]
Active tuberculosis can be contagious while latent tuberculosis is not, and it is therefore not possible to get TB from someone with latent tuberculosis. The main risk is that approximately 10% of these people (5% in the first two years after infection and 0.1% per year thereafter) will go on to develop active tuberculosis.
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.
About 2% of all cases of tuberculosis are considered Pott's Disease [12] and about half (50%) of the cases of musculoskeletal tuberculosis are Pott's Disease, [6] [13] of which 98% affect the anterior column. The disease can be attributed to 1.3 million deaths per year.
Miliary tuberculosis is a form of tuberculosis that is characterized by a wide dissemination into the human body and by the tiny size of the lesions (1–5 mm). Its name comes from a distinctive pattern seen on a chest radiograph of many tiny spots distributed throughout the lung fields with the appearance similar to millet seeds—thus the term "miliary" tuberculosis.
Congress has just over 12 hours to broker a deal to keep the U.S. government funded and prevent a partial closure of federal services just a week before Christmas.
It emerged from Chapter 11 a few months later, signing a deal with a Taiwan-based company to “acquire substantially all of the assets” for $37.5 million in cash. Express
In the 19th century, tuberculosis killed an estimated one-quarter of the adult population of Europe; [98] by 1918 one in six deaths in France were still caused by TB. The Influenza Pandemic of 1918 (or the Spanish flu ) killed 25–50 million people (about 2% of world population of 1.7 billion). [ 99 ]