Fig. 2
Segmented regressions and effective reproduction number (Rt) for the COVID-19 pandemic in five public health units in the Greater Toronto Area (top graphs). Breakpoints with significant increases and decreases in Rt are indicated as solid blue vertical lines. Global mobility index (GMI) using Google mobility data and 7-day moving average by Greater Toronto Area public health unit (bottom graphs). Shaded areas indicate colour-coded public health restriction tiers