Public Health France has released an initial assessment of the ongoing heatwave’s health impact, but cautions that the full extent of fatalities is not yet known. Historical data indicates a significant delay in accurately determining the total death toll following extreme heat events, often taking several weeks to fully materialize. The current assessment provides an early indication of the crisis’s severity, but is considered incomplete. Authorities emphasize that the final human cost will likely be substantially higher than initial figures suggest. This delay is due to the time required to attribute deaths directly to the heatwave, particularly among vulnerable populations. Further analysis and data collection are necessary to understand the complete scope of the health crisis.