1.
Anonymized database used in the Case Control study for gastroenteritis in the general population of the Netherlands (2010–2012).
2.
Map of the Netherlands.
Percentages of assemblages per type of cattle exploitation for the Iron Age and Roman Netherlands (all regions and types of site combined).
Supplementary introduction.
Supplementary methods.
Supplementary results.
CoronaMelder smartphone application.
Participant flow diagram PHS Amsterdam datasets.
Questionnaires used in the first RDT and second RDT studies (in Dutch language).
Participant flow diagrams first and second RDT studies.