Summary

• Water contamination: the focus of epidemiological investigations

• Drinking tap water

• Tap water distribution and quality

• Testimony from an operator

• Epidemiological investigation of suspected waterborne foodborne illness

• A look back at investigations conducted in Auvergne

• Microbiological investigation of water sources suspected of causing a waterborne outbreak

• Detection of waterborne acute gastroenteritis outbreaks using health insurance data

• Conclusion - Discussion