{"@type": "dcat:Dataset", "accessLevel": "public", "accrualPeriodicity": "R/P1W", "bureauCode": ["009:20"], "contactPoint": {"@type": "vcard:Contact", "fn": "National Wastewater Surveillance System (NWSS)", "hasEmail": "mailto:NWSS@cdc.gov"}, "description": "This dataset provides a complete time history of Influenza A wastewater sample data and calculated metrics from US sampling locations. \n\nLearn more at: https://www.cdc.gov/nwss/index.html.\n\nThis dataset is updated weekly on Fridays.", "distribution": [{"@type": "dcat:Distribution", "downloadURL": "https://data.cdc.gov/api/views/ymmh-divb/rows.csv?accessType=DOWNLOAD", "mediaType": "text/csv"}, {"@type": "dcat:Distribution", "downloadURL": "https://data.cdc.gov/api/views/ymmh-divb/rows.json?accessType=DOWNLOAD", "mediaType": "application/json"}, {"@type": "dcat:Distribution", "downloadURL": "https://data.cdc.gov/api/views/ymmh-divb/rows.rdf?accessType=DOWNLOAD", "mediaType": "application/rdf+xml"}, {"@type": "dcat:Distribution", "downloadURL": "https://data.cdc.gov/api/views/ymmh-divb/rows.xml?accessType=DOWNLOAD", "mediaType": "application/xml"}], "identifier": "https://data.cdc.gov/api/views/ymmh-divb", "issued": "2026-03-06", "keyword": ["flu", "influenza", "influenza a", "ncezid", "nwss", "united states", "wastewater", "weekly"], "landingPage": "https://www.cdc.gov/nwss/index.html", "language": ["English"], "license": "https://www.usa.gov/government-works", "modified": "2026-05-01", "programCode": ["009:028"], "publisher": {"@type": "org:Organization", "name": "Centers for Disease Control and Prevention"}, "spatial": "US States and Territories", "theme": ["Public Health Surveillance"], "title": "CDC Wastewater Data for Influenza A"}