Forecasts are for cases per 100,000 inhabitants. The date on the graphs is that of the last available observation. The forecast is made for one week ahead.
Absolute forecast errors reports the number of cases over or under (so likely to increase as the numbers go up) per 100,000. The date on the graphs is that of the last available observation. The forecast is made for one week ahead.
Reports the increments in the number of cases per 100,000, for the week after the date on the graph.