@HilNorth @ashishkjha The graphs show positivity rate (share of tests that are positive). Higher positivity suggests more cases not counted (only the most obvious and serious cases being counted).
@HilNorth@ashishkjha图表显示阳性率（阳性检测的比例）。阳性率越高，表示未统计的病例越多（仅统计最明显和最严重的病例）。