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Swiss Tropical and Public Health Institute

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Situations

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Legionella outbreak in Wetzikon

2 clusters · 2 sources · last updated

Latest: Legionella outbreak in Wetzikon leads to one death

Authorities in Wetzikon, Switzerland, have been investigating a cluster of Legionellosis cases reported since late June 2026. Initial efforts focused on testing public facilities, including hospitals, nursing homes, and

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