Fig. 2.

Simplified human manikins and furnishings in a an operating room (Sadrizadeh and Holmberg 2015); b a six-bed isolation room (Hang et al. 2014); c a two-bed ward (Qian et al. 2008); d a single-bed isolation room (Shih et al. 2007); e a single-bed ward (Yin et al. 2011)