Fig. 7.

Spread of SARS-CoV-2 infection under different intervention strategies. (a) Delay from symptom onset to hospital admission; (b) temperature detection in public places (0% indicating no temperature detection, 50% indicating half of public places had temperature detection after 24 January. The reference date is 24 Jan); (c) screening for incoming individuals (‘all covered’ means all incoming individuals are screened and ‘all correct’ means the correct rate of detection is 100%); (d) mask wearing; (e) mandatory quarantine for arrivals from Hubei Province (The reference date is 24 Jan); (f) school closure and work stoppage (‘S’, ‘No S’, ‘W’, and ‘No W’ represent schools open, school closure, workplaces open, and work stoppage, respectively); (g) probability of symptomatic patients staying at home; (H) initial $R_0$. ‘A week earlier’ and ‘A week delayed’ mean that the strategy is conducted a week earlier or a week later than the current implementation date.