The weekly Historic Influenza and Other Respiratory Disease Surveillance Reports are available in PDF since 2008 and an XLSX version of the data is available since the 2020-2021 Season and contains data about Flu and RSV. The reports included percentage and number of Flu and RSV (percentage only) at Clinical Sentinel Laboratories; hospitalization (ICU, non-ICU) and death information by week or by age group (<18, 18-49, 50-64, 65+) in Kaiser Permanente Northern California Facilities; death identified from death certificates by week of death or by age group; Influenza testing information by type and subtype; and other respiratory pathogen detection percentage at Clinical Sentinel Laboratories