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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 ]
Low body weight is associated with risk of tuberculosis. A body mass index (BMI) below 18.5 increases the risk by 2 to 3 times. An increase in body weight lowers the risk. [14] People with diabetes mellitus are at increased risk of contracting tuberculosis, [15] and they have a poorer response to treatment, possibly due to poorer drug ...
In some countries like Canada people have medical privacy or "confidentiality" and do not have to reveal their active tuberculosis case to family, friends, or co-workers; therefore, the person who gets latent tuberculosis may never know who had the active case of tuberculosis that caused the latent tuberculosis diagnosis for them.
[1] [2] The condition was originally described by Fritz Valdemar Rasmussen in 1868. [3] It is a relatively uncommon complication associated with cavitary tuberculosis of the lung, with its prevalence observed in approximately 5–8% of cases based on autopsy findings. [4] It is caused by the progressive thinning of the pulmonary artery wall.
6 to 9H 2 —A twice-weekly regimen for the above two treatment regimens is an alternative if administered under Directly observed therapy (DOT). 4R—Rifampicin for 4 months is an alternative for those who are unable to take isoniazid or who have had known exposure to isoniazid-resistant TB. 3HR—Isoniazid and rifampicin may be given for 3 ...
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Human infectious diseases may be characterized by their case fatality rate (CFR), the proportion of people diagnosed with a disease who die from it (cf. mortality rate).It should not be confused with the infection fatality rate (IFR), the estimated proportion of people infected by a disease-causing agent, including asymptomatic and undiagnosed infections, who die from the disease.
The U.N. health agency said more than 10 million people worldwide were sickened by tuberculosis in 2021, a 4.5% rise from the year before. WHO said about 450,000 cases involved people infected ...