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Tuberculosis (TB), also known colloquially as the "white death", or historically as consumption, [7] is a contagious disease usually caused by Mycobacterium tuberculosis (MTB) bacteria. [1] Tuberculosis generally affects the lungs , but it can also affect other parts of the body. [ 1 ]
The disease is not limited to human characters, but can help to achieve grim social realism in a novel. Upton Sinclair's novel The Jungle portrays tuberculosis as common among cattle reaching the meat-packing plants of Chicago. Sinclair wrote that "men welcomed tuberculosis in the cattle they were feeding, because it made them fatten more quickly".
English: Main symptoms of different variants and stages of tuberculosis (See Wikipedia:Tuberculosis), with many symptoms overlapping with other variants, while others are more (but not entirely) specific for certain variants. Multiple variants may be present simultaneously. To discuss image, please see Template talk:Human body diagrams
A large number of people who survived tuberculosis still experience symptoms such as breathlessness and coughing. Although the severity is not well understood, some people have reduced quality of life and exercise capacity. [4] [2] In severe cases, people may experience hospitalizations and death related to respiratory causes. [2]
With the flu continuing to spread alongside other respiratory illnesses, including COVID-19 and respiratory syncytial virus, experts are urging people to take precautions, especially getting ...
Based on this, the study suggested that M. tuberculosis, like humans, evolved in Africa and subsequently spread with anatomically modern humans out of Africa across the world. By calibrating the mutation rate of M. tuberculosis to match this narrative, the study suggested that MTBC evolved 40,000–70,000 years ago. [ 59 ]
Any time a person catches H5N1, or bird flu, their infection is a chance for the virus to mutate in the wrong direction. When someone dies from the bird flu—as an elderly Louisiana man did on ...
Australia reported its first human case of A(H5N1) infection in May, noting there were no signs of transmission. It has however found more poultry cases of H7 bird flu on farms in Victoria state.