The study found that mice can smell the smell of tuberculosis.
In fact, they not only can smell its scent, but they are more accurate than the existing tests that doctors use to detect tuberculosis. The current pediatric tuberculosis (TB) test is only 30% to 40% accurate.
However, according to a paper published in the April 4 issue of Pediatric Research, if the smell of a trained mouse is used, the accuracy of the test will increase by nearly 40%.
This is a major finding, as tuberculosis remains one of the leading causes of death worldwide, and it is difficult to treat unless it is discovered early. The researchers wrote that of the 1.3 million people who died of tuberculosis in 2016, 130,000 were children, many of whom were children in sub-Saharan Africa.
They write that it is difficult to test their children for tuberculosis because it is difficult for young children to secrete enough sputum (a mixture of mucus and saliva) to grow the bacteria, or to develop a sample to detect the bacteria.
Because of the low accuracy of the test, it is difficult for doctors to determine whether a child has tuberculosis.
Researchers in Tanzania and Mozambique decided to conduct this study after hearing that some lung diseases had a strong, identifiable odor. Therefore, they trained African giant rats (Cricetomys ansorgei) to smell the smell of certain compounds produced by tuberculosis. Then, by collecting the patient's sputum specimen, the corresponding olfactory test and subsequent improvement work are carried out.
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