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Comparing the effectiveness of negative-pressure barrier devices in providing air clearance to prevent aerosol transmission

Tzu-Yao Hung; Wei-Lun Chen; Yung-Cheng Su dkk.

PLOS ONE, Vol. 16 No. 4 · 2021 · Inggris · PLOS Scopus

Purpose: To investigate the effectiveness of aerosol clearance using an aerosol box, aerosol bag, wall suction, and a high-efficiency particulate air (HEPA) filter evacuator to prevent aerosol transmission. Methods: The flow field was visualized using three protective device settings (an aerosol…