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Belgium reports about 3,000 excess deaths over summer due to heat

By Thomson Reuters Sep 3, 2026 | 2:27 AM

BRUSSELS, Sept 3 (Reuters) – Heatwaves from June 18 through August 16 caused 2,935 excess deaths in Belgium, or 22.6% ​excess mortality, public health body ‌Sciensano said in a report on Thursday.

• From June 18 through July 3, Belgium recorded its highest excess mortality, with 2,035 additional deaths, or ‌48.8% ​above expected levels, Sciensano ⁠said.

• Starting on June ⁠18, maximum temperatures of around 30°C were recorded for 10 consecutive days, including three days of temperatures around 35°C, ​with nights during that period also exceptionally warm.

• Sciensano said mortality from June ⁠18 through July 3 ⁠was the highest recorded during ​a heatwave since the start of its analyses ​in the year 2000.

• The two ‌other heatwave periods, from July 4 to 17 and July 28 to August 16, saw lower excess mortality, with 535 excess ⁠deaths (14.8%) and 365 excess deaths (7%), respectively.

• While people aged 65 and older account for most heatwave-related ⁠deaths, ‌Sciensano said excess mortality also ⁠occurs among younger people.

• Europe experienced ​several ‌heatwaves during the summer, with ​the U.N. ⁠weather agency last month saying periods of extreme heat are becoming more frequent, intense and longer-lasting as climate change warms the planet.

(Reporting by Charlotte Van Campenhout; Editing by ​Christopher Cushing)