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.

This chart shows the weekly counts of lab-confirmed influenza during the 2022-23 Influenza Season

 

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:  
  1. No activity:  no lab-confirmed influenza detections in the reporting week, however, sporadically occurring ILI may be reported
  2. Sporadic:  sporadically occurring ILI and lab-confirmed influenza detection(s) with no outbreaks detected within the influenza surveillance region
  3. Localized:  evidence of increased ILI; lab-confirmed influenza detection(s); outbreaks in 1 county only
  4. Widespread:  evidence of increased ILI; lab-confirmed influenza detection(s); outbreaks in more than 1 county

Outbreaks:

  1. Hospitals and Residential institutions:  2 or more cases of ILI occurring within a 7 day period, with at least 1 lab- confirmed case
  2. 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
Health and Wellness

General Inquiries

Department of Health and Wellness
4th Floor North, Shaw Building
105 Rochford Street
Charlottetown, PE   C1A 7N8

Phone: 902-368-6414
Fax: 902-368-4121

DeptHW@gov.pe.ca