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Although the global smoking prevalence has declined in the past 20 years, the World Health Organization estimates that the global adult smoking rate in 2018 was 19%
.
Previous studies have shown that active smoking among TB patients is associated with an increased risk of transmitting TB to close contacts
Childhood infections
The researchers collected the data of 4,500 tuberculosis patients in Lima, Peru between 2009 and 2012, and followed up with 14044 family contacts
.
Tuberculosis patients are divided into 4 categories: never smokers, quit smoking long ago ( quit smoking> 2 months before diagnosis ), recently quit smoking (quit smoking ≤ 2 months before diagnosis) and active smokers
diagnosis
The results of the study showed that a total of 1371 (76.
8%) children had contact with patients who had never smoked, 211 (11.
This study confirmed that children exposed to patients who had recently quit smoking had a lower risk of contracting tuberculosis compared with children exposed to active smokers
.
Therefore, smoking cessation is fast and effective in reducing the infectivity of tuberculosis
This study confirmed that children exposed to patients who had recently quit smoking had a lower risk of contracting tuberculosis compared with children exposed to active smokers
Original source:
Alexander L Chu.
Smoking Cessation in Tuberculosis Patients and the Risk of Tuberculosis Infection in Child Household Contacts.
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