The presence of SARS-CoV-2 RNA in wastewater was first reported in March 2020. Over the subsequent months, the potential for wastewater surveillance to contribute to COVID-19 mitigation programmes has been the focus of intense national and international research activities, gaining the attention of policy makers and the public. As a new application of an established methodology, focused collaboration between public health practitioners and wastewater researchers is essential to developing a common understanding on how, when and where the outputs of this non-invasive community-level approach can deliver actionable outcomes for public health authorities. Within this context, the NORMAN SCORE "SARS-CoV-2 in sewage" database provides a platform for rapid, open access data sharing, validated by the uploading of 276 data sets from nine countries to-date. Through offering direct access to underpinning meta-data sets (and describing its use in data interpretation), the NORMAN SCORE database is a resource for the development of recommendations on minimum data requirements for wastewater pathogen surveillance. It is also a tool to engage public health practitioners in discussions on use of the approach, providing an opportunity to build mutual understanding of the demand and supply for data and facilitate the translation of this promising research application into public health practice.

Department of Aquatic Sciences and Assessment Swedish University of Agricultural Sciences SE 75007 Uppsala Sweden

Department of Chemistry University of Bath Bath UK

Department of Civil and Environmental Engineering and Nireas International Water Research Centre School of Engineering University of Cyprus PO Box 20537 1678 Nicosia Cyprus

Department of Civil and Environmental Engineering Lehigh University 1 West Packer Avenue Bethlehem PA 18015 USA

Department of Molecular Biology Faculty of Natural Sciences Comenius University Bratislava Slovakia

Department of Molecular Biology Faculty of Natural Sciences Comenius University Bratislava Slovakia; Institute for Clinical and Translational Research Biomedical Research Center Slovak Academy of Sciences Dubravska Cesta 9 84505 Bratislava Slovakia

DERAC consulting 104 grande rue 44240 Sucé sur Erdre France

Division of Biological and Environmental Science and Engineering Water Desalination and Reuse Center King Abdullah University of Science and Technology Thuwal 23955 6900 Saudi Arabia

DRIZZLE Centre of Excellence Luleå University of Technology VA Teknik 971 87 Luleå Sweden

Environmental and Public Health Analytical Chemistry Research Institute for Pesticides and Water University Jaume 1 Castellón Spain

Environmental Institute Okruzna 784 42 97241 Kos Slovakia

Environmental Institute Okruzna 784 42 97241 Kos Slovakia; Faculty of Chemical and Food Technology Slovak University of Technology in Bratislava Radlinskeho 9 81237 Bratislava Slovakia

Environmental Institute Okruzna 784 42 97241 Kos Slovakia; Laboratory of Analytical Chemistry Department of Chemistry National and Kapodistrian University of Athens Greece

Evolutionary Biology Centre Limnology Uppsala University Norbyvägen 18 D SE 752 36 Uppsala Sweden

Finnish Institute for Health and Welfare Expert Microbiology Unit Neulaniementie 4 FI 70701 Kuopio Finland; University of Helsinki Faculty of Veterinary Medicine Dept Food Hygiene and Environmental Health Agnes Sjöbergin katu 2 FI 00014 Helsingin yliopisto Finland

Future Industries Institute University of South Australia Building 10 University Boulevard Mawson Lakes 5095 South Australia Australia

IMDEA Water Institute Science and Technology Campus of the University of Alcalá Avenida Punto Com 2 28805 Alcalá de Henares Spain

Institute of Chemical and Environmental Engineering Faculty of Chemical and Food Technology Slovak University of Technology Radlinského 9 812 37 Bratislava Slovakia

Institute of Legal Medicine and Core Facility Metabolomics Medical University of Innsbruck Muellerstrasse 44 A 6020 Innsbruck Austria

Istituto di Ricerche Farmacologiche Mario Negri IRCCS Department of Environmental Sciences Via Mario Negri 2 20156 Milan Italy

KWR Water Research Institute Groningenhaven 7 3430 BB Nieuwegein The Netherlands

Laboratory of Analytical Chemistry Department of Chemistry National and Kapodistrian University of Athens Greece

Laboratory of Environmental Pollution Control Department of Chemistry Aristotle University of Thessaloniki GR 541 24 Thessaloniki Greece

Laboratory of Environmental Pollution Control Department of Chemistry Aristotle University of Thessaloniki GR 541 24 Thessaloniki Greece; Center for Interdisciplinary Research and Innovation Balkan Center Thessaloniki GR 57001

Luxembourg Institute of Science and Technology Environmental Research and Innovation department 41 rue du Brill L 4422 Belvaux Luxembourg

Microbiology Service University Hospital Biomedical Research Institute University of A Coruña Spain

National Institute for Environment and Industrial Risks Rue Jacques Taffanel Parc Technologique ALATA Verneuil en Halatte 60550 France

Norwegian Institute for Water Research Gaustadalléen 21 NO 0349 Oslo Norway

Norwegian University of Life Sciences Faculty of Veterinary Medicine Virology Unit P O Box 8146 Dep N 0033 Oslo Norway

School of Water Energy and Environment Cranfield University Cranfield Bedfordshire MK43 0AL UK

T G Masaryk Water Research Institute p r i Branch of Analysis and Assessment of Environmental Components Podbabská 2582 30 160 00 Prague 6 Czech Republic

Technische Universität Wien Institute for Water Quality and Resources Management Karlsplatz 13 226 1 1040 Vienna Austria

Toxicological Center University of Antwerp Universiteitsplein 1 2610 Wilrijk Belgium

Unidad Predepartamental de Medicina Universitat Jaume 1 12071 Castellón Spain

University of Bath Department of Chemical Engineering Water Innovation and Research Centre Claverton Down Bath BA2 7AY UK

University of Belgrade Institute for Biological Research Siniša Stanković National Institute of Republic of Serbia Department for Hydroecology and Water Protection Bulevar despota Stefana 142 11000 Belgrade Serbia

Water Research Australia Limited | Level 2 250 Victoria Square Tarntanyangga Adelaide SA 5000 | GPO Box 1751 Adelaide SA 5001 Australia

Water Research Institute Nábrežie arm gen L Svobodu 5 812 49 Bratislava Slovak Republic

WESSLING Hungary Kft Budapest Anonymus u 6 1045 Hungary

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