PEI Weekly Influenza Summary 2019-2020 Season

Week 13 - Mar. 22 - Mar. 28, 2020

Summary

  • There was sporadic flu activity in PEI during Week 13.
  • Our seasonal total is 220 lab-confirmed cases (142 A and 78 B).
  • The median age of cases to date is 30 years.
  • Nationally, in Week 12 influenza activity continued to be reported in all regions, but all indicators of flu activity continued to decrease compared to the previous week.  The COVID-19 pandemic may be affecting laboratory detections of influenza.

 

Epidemiological curve of laboratory data

There was sporadic flu activity in PEI during Week 13.  Lab-confirmed influenza tests are just an indication of greater influenza activity, as many individuals with influenza do not seek medical attention.

Summary graph of influenza cases in PEI for 2019-2020 season

 

Positive influenza test results, current week, and cumulative 2019-20 season

Lab-confirmed cases Current Week (13) Cumulative 2019-2020
Influenza A                 9                  142
Influenza B                 2                   78
Total Influenza                11                  220

 

Respiratory outbreaks, current week, and cumulative 2019-20 season

Respiratory Outbreaks Current Week (13) Cumulative 2019-2020
Influenza A                0                   4
Influenza B                0                   1
Influenza, Unknown Type                0                   1
ILI1                0                   1
Total Outbreaks                0                   7

 

1 ILI: Influenza like illness

Severe outcome surveillance, current week, and cumulative 2019-20 season

Severe Outcome Current Week (13) Cumulative 2019-2020
Hospitalizations1                  4                    74
ICU                  0                     6
Deaths2                  0                     4

1Hospitalization 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 2018-2019

PEI Influenza Summary 2017-2018

PEI Influenza Summary 2016-2017

PEI Influenza Summary 2015-2016

PEI Influenza Summary 2014-2015

 

 

Published date: 
March 31, 2020
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