Fig. 4From: Reducing exposure to COVID-19 by improving access to fever clinics: an empirical research of the Shenzhen area of Chinaa Numbers of confirmed cases, numbers of the ECs and numbers of FCs in Shenzhen (Data source: Shenzhen Municipal Health Commission.); b Cumulative opportunities of visiting FCs based on 30-min travel thresholds and number of FCs in Shenzhen (summarized by hospital levels) (Data source: Baidu map navigation data)Back to article page