Historical Data
Influenza
Summary of laboratory-confirmed seasonal influenza cases in Alberta, 2019-2020 to 2023-2024
Season
|
Cases (n)
|
Influenza A cases (n)
|
Influenza B cases (n)
|
Hospitalizations (n)
|
ICU admissions (n)
|
Deaths (n)
|
2023-2024
|
15,470
|
11,665
|
3,805
|
3,180
|
352
|
167
|
2022-2023
|
9,784
|
9,070
|
714
|
2,189
|
223
|
123
|
2021-2022
|
2,907
|
2,904
|
3
|
529
|
54
|
19
|
2020-2021
|
0
|
0
|
0
|
0
|
0
|
0
|
2019-2020
|
8,444
|
4,697
|
3,747
|
1,609
|
161
|
37
|
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, 2019-2020 to 2023-2024
Season
|
Cases (n)
|
2023-2024
|
4,934
|
2022-2023
|
6,944
|
2021-2022
|
4,411
|
2020-2021
|
17
|
2019-2020
|
2,777
|
Historical data
COVID-19
Summary of laboratory-confirmed COVID-19 cases in Alberta, 2019-2020 to 2023-2024
Season
|
Cases (n)
|
Hospitalizations (n)
|
ICU admissions (n)
|
Deaths (n)
|
2023-2024
|
18,341
|
4,544
|
287
|
552
|
2022-2023
|
32,822
|
5,918
|
462
|
972
|
2021-2022
|
350,210
|
15,534
|
2,007
|
2,411
|
2020-2021
|
238,959
|
9,940
|
1,952
|
2,216
|
2019-2020
|
13,144
|
679
|
134
|
243
|
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.