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The purpose of this study was to explore the relationship between the transmission of respiratory diseases and the correct wearing of masks, as well as the factors affecting the correct wearing of masks. The research is beneficial to the prevention of respiratory diseases and moves the barrier of prevention and control forward. It is of great significance to COVID-19 's practical prevention and control.
Full description
In the spray test, all subjects underwent a sensitivity test to prove their ability to smell the bitterness of the reagent, and then were randomly divided into a hood group and a direct spray group.
In order to objectively reflect the overall situation of the subjects, it is necessary to cover many ages and educational levels of men and women.
Each subject participated in the study for about 5-6 minutes, and the total duration of this study was about 3 months.
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6,000 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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