Circulation of respiratory viruses is normally highest in the fall and winter. For the purposes of reporting and comparisons over time and between viruses, the respiratory season typically runs from late August of the current year to late August of the following year. The current season, 2023-2024, starts on August 27, 2023 and ends on August 24, 2024. Additional information on respiratory season, and a full calendar for the current season, can be found on the Data Notes page.
Respiratory virus data included in the interactive data application is up-to-date as November 25, 2023. Among its new features, the dashboard now includes RSV cases and positivity, with plans to collect Severe Outcomes data in the near future.
Weekly highlights - Data from November 19, 2023 to November 25, 2023
*A hospital or ICU admission in a laboratory-confirmed influenza case or a laboratory-confirmed COVID-19 case is counted when the reason for admission is either directly resulting from the disease, or when the disease is a contributing factor for the admission. Incidental hospitalizations where the person tested positive but were admitted for other reasons are not reportable to Alberta Health. Please see the Data Notes tab for more information.
**Number of COVID-19 cases in hospital (ICU and non-ICU) with a primary or contributing cause due to COVID-19 as of the last day of the reporting period. Please note, information on reason for hospitalization may delayed and number are subject to change.