Influenza Percent Positivity in Ottawa (English, CSV)

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Publisher-reported update

2026-09-04

Date created: September 2025 Update frequency: Weekly Accuracy: Points of consideration for interpretation of the data: Lab testing for flu is only available to hospitalized patients and, from Nov. 14th 2022 onwards, symptomatic individuals in healthcare institutions. Prior to the 14th of Nov. 2022, lab testing for flu was only available to hospitalized patients and up to four patients per respiratory infection outbreak in healthcare institutions. Not all labs report to OLIS and only patients with health card numbers are included in the OLIS dataset. Results for patients who placed an OLIS consent block (~50 records province-wide) are excluded. City assignment in OLIS is based on the patient's health card address. Patients living in long-term care homes may not have the correct address associated with their health cards; therefore, not all tests in long-term care homes may be captured. Data fields: Epidemiological Week – epidemiological week number (i.e. epi week) Start of Week – date of the first day of a week, starting on Sundays. Total Tests for Ottawa Residents– total weekly number of respiratory specimens from Ottawa residents tested for influenza Flu Percent Positivity in…

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