PEI Weekly Influenza Summary 2022-2023 Season
Week 03 - January 15 to 21, 2023
Summary
- There was sporadic flu activity in PEI during Week 03.
- Our seasonal total is 339 lab-confirmed cases (109 A/H3, 1 A/H1N1, and 229 A/unsubtyped) .
- The median age of cases to date is 24 years; 57% of cases are female .
- Nationally in Week 02 (Jan 8-14, 2023), influenza levels continue to decline, with most indicators at levels typical for late spring/early summer. Most influenza detections were influenza A.
Epidemiological curve of laboratory data
There was sporadic flu activity in PEI during Week 03. Lab-confirmed influenza tests are just an indication of greater influenza activity, as many individuals with influenza do not seek medical attention.
Positive influenza test results, current week, and cumulative 2022-23 season
Lab-confirmed cases | Current Week (03) | Cumulative 2022-2023 |
---|---|---|
Influenza A | 1 | 339 |
A/H3 | 0 | 109 |
A/H1N1 | 0 | 1 |
A/Unsubtyped | 1 | 219 |
Influenza B | 0 | 0 |
Total Influenza | 1 | 339 |
Respiratory outbreaks, current week, and cumulative 2022-23 season
Respiratory Outbreaks |
Current Week (03) |
Cumulative 2022-2023 |
---|---|---|
Influenza A | 0 | 7 |
Influenza B | 0 | 0 |
Influenza, Unknown Type | 0 | 0 |
ILI1 | 0 | 18 |
Total Outbreaks | 0 | 25 |
1 ILI: Influenza like illness; does not include COVID-19
Severe outcome surveillance, current week, and cumulative 2022-23 season
Severe Outcome | Current Week (03) | Cumulative 2022-2023 |
---|---|---|
Hospitalizations1 | 0 | 79 |
ICU | 0 | 6 |
Deaths2 | 0 | 2 |
1 Hospitalization data is gathered through infection prevention and control practitioners at each Island hospital. Data includes ICU cases.
2 Deaths include individuals with a positive influenza test result. Influenza may not have been the major contributing cause of death.
Definitions (based on national Fluwatch definitions)
Activity levels:- No activity: no lab-confirmed influenza detections in the reporting week, however, sporadically occurring ILI may be reported
- Sporadic: sporadically occurring ILI and lab-confirmed influenza detection(s) with no outbreaks detected within the influenza surveillance region
- Localized: evidence of increased ILI; lab-confirmed influenza detection(s); outbreaks in 1 county only
- Widespread: evidence of increased ILI; lab-confirmed influenza detection(s); outbreaks in more than 1 county
Outbreaks:
- Hospitals and Residential institutions: 2 or more cases of ILI occurring within a 7 day period, with at least 1 lab- confirmed case
- Schools, Workplaces and other: absenteeism greater than 10% higher than expected which is most likely due to ILI
Links
Fluwatch - Public Health Agency of Canada
PEI Influenza Summary 2021-2022
PEI Influenza Summary 2020-2021 - There were no lab-confirmed cases of influenza in PEI during the 2020-21 season.
PEI Influenza Summary 2019-2020
PEI Influenza Summary 2018-2019
PEI Influenza Summary 2017-2018
PEI Influenza Summary 2016-2017
PEI Influenza Summary 2015-2016
PEI Influenza Summary 2014-2015
Published date:
January 17, 2023