• Safe water for human uses: drinking, recreation, tourism, reuse, agriculture, and industry
• Safe water for biodiversity
• Climate change, extreme weather events, floods and droughts, wildfires' impact on source water, and associated health risks
• Emerging pathogens in water and the risk of pandemics
• Pathogens in aquatic environments: water, sediments, aerosols, biota.
• Antimicrobial resistance in aquatic environments: water, sediments, aerosols, biota, and biofilms.
• Waterborne microorganisms and water-based diseases
• Survival, persistence, transport, fate
• Surveillance of infectious diseases and antimicrobial resistance
• QMRA, decision analysis, water safety plans
• Microbial source tracking
• Modelling and prediction
• Big data and artificial intelligence application
• Cost-effective tools for surveillance: novel methods, Omics approaches
• Catchment protection
• Treatment and disinfection
• Water and sanitation safety plans
• Community initiatives for water source protection
• Citizen Science in water bodies
• (Bio)Remediation
• Criteria, standards, and monitoring harmonization (regionally and globally)
• Circular economy: microbial controls, use and reuse