Figure legends
Figure 1 The rates of co-infected pathogens in SARS-CoV-2 positive samples (A: single virus classification; B: combined viruses classification)
Figure 2 Results of association between co-infection and negative conversion from Cox regression
Figure 3 The comparison of co-infection between COVID-19 and pneumonia cases (A: overall rate of co-infection; B: rate of infection for common respiratory pathogens)