The burden of hospital-acquired legionellosis in German teaching hospitals - Takeaways - MDSpire

The burden of hospital-acquired legionellosis in German teaching hospitals

  • By

  • Stefanie Kramme

  • Winfried Ebner

  • Anne Lösslein

  • Barbara Maier

  • Christian Schneider

  • Jan Liese

  • Christian Brandt

  • Alexandra Heininger

  • Heike von Baum

  • Tjibbe Donker

  • Sandra Reuter

  • Philipp Henneke

  • April 1, 2026

  • 0 min

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  • 1

    Legionella pneumophila infections in hospitals are primarily linked to contaminated hot-water systems and pose a significant risk to immunocompromised patients.

  • 2

    In Germany, 10-15% of Legionnaires' disease cases are nosocomial, with a mortality rate nearly three times higher than community-acquired infections.

  • 3

    Regulatory frameworks mandate annual testing for Legionella in hospital water systems, with strict actions required if contamination exceeds 100 CFU/100 ml.

  • 4

    Recent investigations revealed no additional nosocomial Legionella cases in a retrospective analysis despite confirmed infections in 2022 and 2023.

  • 5

    Preventive measures against healthcare-associated Legionella infections vary across university hospitals in Germany, impacting infection incidence rates.

Original Source(s)

The burden of hospital-acquired legionellosis in German teaching hospitals

  • by Stefanie Kramme, Winfried Ebner, Anne Lösslein, Barbara Maier, Christian Schneider, Jan Liese, Christian Brandt, Alexandra Heininger, Heike von Baum, Tjibbe Donker, Sandra Reuter, Philipp Henneke

  • April 1, 2026

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