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WEB ANNOUNCE:

How does n/med tuberculosis bacterium travel?

From;  Author:Stand originally Position:home>TB common sense>

How does n/med tuberculosis bacterium travel?

Pass the means classics such as cough, sneeze, loud conversation when contagious tuberculosis patient nasal cavity and oral cavity are ejective outside body, gas mist is formed in air (or call flying foam) , bigger flying foam falls very quickly in the ground, and lesser flying foam evaporates very quickly become those who contain n/med tuberculosis bacterium " small drop nucleus " , long suspension is in air. If air is not current, the small drop nucleus that contains bacterium by healthy person inspiratory pulmonary alveolus, cause infection possibly. Of the size of phthisical infectivity and the sex of be in a bad way that catch venereal person, quantity that discharge bacterium how many, the ventilated circumstance of living room of the frequency of cough, patient and the close degree of the person that contact and resistance are concerned. "Cough is infected " , it is the main way that tuberculosis spreads. Spit everywhere form " dust is infected " , it is less important transmission way. The provision that can contain n/med tuberculosis bacterium through eating moreover and classics enteron infection, still having few share is to pass damaged skin, mucous membrane to contact infection. But the action that reflexes a system as a result of the defence of human body, those who be like respiratory tract is mucous - the hydrochloric acid in gastric juice of cilium system, enteron and enzymatic keep clear of and destroy effect what wait for pair of n/med tuberculosis bacterium, the average per capita that is not bacterium of all contact n/med tuberculosis can affect n/med tuberculosis bacterium or have tuberculosis. Classics tuberculosis epidemiology considers to make clear, patient of an infectivity tuberculosis may make 10-15 person affects n/med tuberculosis bacterium in a year.