The Göta älv river in Gothenburg. Photo: Scanpix.

Stomach bug linked to heavy rain in Gothenburg

"The sewage systems overflow"
3:22 min

In Gothenburg, the number of people affected by stomach diseases increases when there is heavy rain, leading to additional strain on local health services.

Heavy rain flushes out stomach bug viruses into the city's water catchment, the Göta älv river, and the water does not get properly cleaned before reaching the taps.

The number of people calling up health service information lines with complaints about stomach diseases increases by 20 per cent in the five to six days following a heavy rain shower where at least 25 millimeters of rain fall in 24 hours, researchers at Umeå University found.

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