Historical Data
Influenza
Summary of laboratory-confirmed seasonal influenza cases in Alberta, 2020-2021 to 2024-2025
Season
|
Cases (n)
|
Influenza A cases (n)
|
Influenza B cases (n)
|
Hospitalizations (n)
|
ICU admissions (n)
|
Deaths (n)
|
2024-2025
|
38
|
33
|
5
|
7
|
1
|
0
|
2023-2024
|
16,229
|
11,877
|
4,352
|
3,348
|
364
|
178
|
2022-2023
|
9,783
|
9,069
|
714
|
2,188
|
222
|
123
|
2021-2022
|
2,907
|
2,904
|
3
|
529
|
54
|
19
|
2020-2021
|
0
|
0
|
0
|
0
|
0
|
0
|
Note: A hospital or ICU admission in a laboratory-confirmed influenza 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.
Respiratory Syncytial Virus
Summary of laboratory-confirmed RSV cases in Alberta, 2020-2021 to 2024-2025
Season
|
Cases (n)
|
Hospitalizations (n)
|
ICU admissions (n)
|
Deaths (n)
|
2024-2025
|
17
|
7
|
2
|
0
|
2023-2024
|
5,046
|
No data
|
No data
|
No data
|
2022-2023
|
6,944
|
No data
|
No data
|
No data
|
2021-2022
|
4,411
|
No data
|
No data
|
No data
|
2020-2021
|
17
|
No data
|
No data
|
No data
|
Note: A hospital or ICU admission in a laboratory-confirmed RSV 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.
Historical data
COVID-19
Summary of laboratory-confirmed COVID-19 cases in Alberta, 2020-2021 to 2024-2025
Season
|
Cases (n)
|
Hospitalizations (n)
|
ICU admissions (n)
|
Deaths (n)
|
2024-2025
|
2,002
|
561
|
32
|
44
|
2023-2024
|
23,924
|
6,081
|
380
|
757
|
2022-2023
|
32,822
|
5,918
|
462
|
973
|
2021-2022
|
350,280
|
15,547
|
2,007
|
2,409
|
2020-2021
|
238,970
|
9,942
|
1,952
|
2,214
|
Note: A hospital or ICU admission in 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. Information on reason for hospitalization was unavailable prior to 2022-02-01. Data before and after that reporting change date are not directly comparable.