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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]
Infected people generate larger droplets and aerosols which can infect over longer distances A poster outlining precautions for airborne transmission in healthcare settings. It is intended to be posted outside rooms of patients with an infection that can spread through airborne transmission. [ 1 ]
[21] [22] According to the World Health Organization, approximately 10 million new TB infections occur every year, and 1.5 million people die from it each year – making it the world's top infectious killer (before COVID-19 pandemic). [21] However, there is a lack of sources which describe major TB epidemics with definite time spans and death ...
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 .
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]
Chlamydia, an STI that affects both men and women, can also be asymptomatic in most individuals. Although the infection may not yield any obvious symptoms, it can still damage the reproductive system. If the infection goes unnoticed for a long time, infected individuals are at risk of developing pelvic inflammatory disease (PID). Like chlamydia ...
Recent studies have suggested that people's blood types may affect their risk of contracting the COVID-19 virus or developing a serious case of the disease. Overall, the findings indicate that ...
So, if a person with TB of the lungs sneezes, coughs, talks, sings, or does anything that forces the bacteria into the air, other people nearby may breathe in TB bacteria. Statistics show that approximately one-third of people exposed to pulmonary TB become infected with the bacteria, but only one in ten of these infected people develops active ...