家用马桶的微生物危害：液滴产生及残留微生物的归宿
Microbiological hazards of household toilets: droplet production and the fate of residual organisms.
作者信息
Gerba C P, Wallis C, Melnick J L
出版信息
Appl Microbiol. 1975 Aug;30(2):229-37. doi: 10.1128/am.30.2.229-237.1975.
Abstract
Large numbers of bacteria and viruses when seeded into household toilets were shown to remain in the bowl after flushing, and even continual flushing could not remove a persistent fraction. This was found to be due to the adsorption of the organsims to the porcelain surfaces of the bowl, with gradual elution occuring after each flush. Droplets produced by flushing toilets were found to harbor both bacteria and viruses which had been seeded. The detection of bacteria and firuses falling out onto surfaces in bathrooms after flushing indicated that they remain airborne long enough to settle on surfaces throughout the bathroom. Thus, there is a possibility that a person may acquire an infection from an aerosol produced by a toilet.
摘要
大量细菌和病毒被接种到家用马桶后，冲水后仍会残留在马桶内，即使持续冲水也无法去除其中的顽固部分。研究发现，这是由于微生物吸附在马桶的瓷质表面，每次冲水后会逐渐洗脱。冲水马桶产生的水滴中含有接种的细菌和病毒。冲水后在浴室表面检测到掉落的细菌和病毒，这表明它们在空气中停留的时间足够长，足以沉降到整个浴室的表面。因此，人有可能因马桶产生的气溶胶而感染。
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