Key Points COVID-19 In the Grand Est region, the number of new cases rose slightly in week 42 of 2021 (2,311 compared to 1,953 in week 41 of 2021), while the number of people...

Key points Bronchiolitis Pre-epidemic activity. Increase in emergency room visits. Influenza Low indicators. Sporadic detection by the Virology Laboratory at Rennes University...

In week 42 (October 18–24, 2021), the resurgence of viral transmission was confirmed in mainland France, with a further rise in the incidence rate. The increase in the effective...

The emergence of infectious disease outbreaks is the result of complex dynamics influenced both by environmental conditions conducive to the development and spread of infectious agents...

Whether caused by natural sources or human activity, water pollution can be microbiological (bacterial, viral, or parasitic) or chemical

Water pollution can lead to infectious diseases (gastroenteritis, viral hepatitis, Legionnaires' disease) or illnesses caused by chemical pollution

Understanding the risks associated with water resources, treating water to ensure its quality before distribution, and assessing health risks can help reduce the risks associated with water pollution

Whether microbiological or chemical, the sources of contamination in the water supply are varied and can have an impact on public health.