日本接着学会誌
Online ISSN : 2187-4816
Print ISSN : 0916-4812
ISSN-L : 0916-4812
総説
新型コロナウイルス感染症( COVID-19) の感染経路に関する微粒子工学的検討
野村 俊之
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ジャーナル フリー

2021 年 57 巻 11 号 p. 427-431

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In this paper, the possibility of COVID-19 infection routes analyzed from the viewpoint of fine particle

technology was introduced. Large saliva droplets containing a large amount of virus fall in a short time, and the

contaminated surfaces may cause the source of fomite transmission. However, infection does not occur just by

attaching the virus on our hands. Therefore, hand washing helps prevent infection. In contrast, the amount of

viral load in small droplets that cause aerosol infection is only 0.01-0.001 wt% of the total viral load in saliva.

Therefore, wearing a mask is very effective in preventing infection. However, depending on contact time and

number of people, accumulation of aerosols in space can cause aerosol infection. Therefore, it is important to

properly ventilate the space. In addition, since highly infectious mutant COVID-19 strains may enhance aerosol

infection, medical knowledge is desired.

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