Figure 2. Age distribution of COVID-19 patients. Proportions of survivors (left) and non-survivors (right) at different age classes are visualized for all patients (A), patients in China (B), patients in European regions (C), and patients in North America (D). For survivors, male and female proportions are visualized by blue and light-blue, respectively. For non-survivors, male and female proportions are visualized by black and gray, respectively.