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Copyright ©The Author(s) 2021.
World J Clin Cases. Apr 6, 2021; 9(10): 2170-2180
Published online Apr 6, 2021. doi: 10.12998/wjcc.v9.i10.2170
Figure 1
Figure 1  Schematic diagram showing how personal protective equipment use by health care workers may prevent secondary transmission of coronavirus disease 2019.