Figure 1.

Heatstroke-related overmortality indicator: derivation sample. The three annual periods were superimposed and synchronised weekly. The vertical dashed lines define the heat-wave period (3–19 August 2003). (a) Best indicator calculated with the data of Cochin Hospital (2001, blue curve; 2002, green curve; 2003, red curve). (b) Cochin indicator (red curve) and Paris mortality (black curve).