https://orcid.org/0000-0002-0029-4606
Figures & data
Figure 1. Isolation Room 4.9 m long, 4.3 m wide and 2.5 m tall. Note: the exhaust and supply vents were all on the ceiling (2.5 m). The supply closet door was open during the study.
Figure 2. (a) Seated and (b) Standing interaction shown with a cough simulator, worker, and customer optical particle counters and transparent barrier. h indicates the height of the barrier, which was 61, 91 or 122 cm from the table. The barrier widths, not shown, were 61, 91 or 122 cm. Table dimensions were 76 cm tall (for sitting) and 91 cm tall (for standing), 61 cm wide, and 102 cm long. A rectangular opening was cut into the bottom center of each barrier that was 10 cm tall and 31 cm wide.
Figure 3. Geometric means of particle counts by particle size and OPC location for the configuration of 14 cm above cough height and 91 cm width in standing, and 39 cm above cough height and 91 cm width in sitting.
Table 1. Collection efficiency by particle size in standing and sitting scenarios.