. 2020 Sep 24;8:547314. doi: 10.3389/fcell.2020.547314
Copyright © 2020 Xia, Zhong, Tan, Zhang, Lyu, Chen, Zhao, Huang, Long, Liu, Wang and Li.
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FIGURE 3.
Schematic flow diagram of SARS transmission within a population (Riley et al., 2003).