Fig. 4
From: The evidence of indirect transmission of SARS-CoV-2 reported in Guangzhou, China
The result of SARS-CoV-2 viral nucleic acid test for the door handle
Fig. 4 | BMC Public Health
From: The evidence of indirect transmission of SARS-CoV-2 reported in Guangzhou, China
The result of SARS-CoV-2 viral nucleic acid test for the door handle