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Surveillance Reports

Influenza season has completed. Influenza surveillance continues, this page will be updated again Fall 2021.

This weekly report is produced from Fall 2020 to Spring 2021 when influenza activity is typically present (i.e. influenza season). The report is posted each Tuesday summarizing the previous week (Sunday to Saturday inclusive) that is specific to the Peterborough region. Ontario and national influenza activity are available at the links provided below.

As COVID-19 shares many symptoms with influenza, the typical influenza-like illness (ILI) and respiratory (RESP) admissions must be interpreted with caution for the 2020/2021 influenza season.

If you need more information, please contact us.

Register here to receive the “Weekly Influenza Report” via email from Peterborough Public Health. Updates will be issued each Tuesday of every week during influenza season.

Influenza Activity Status: No activity **

April 4th, 2021  – April 10th, 2021 

 Influenza Activity Indicator
Assessment of Indicator Compared to Previous Week
  Laboratory-Confirmed Influenza Cases  Similar The number of reported local lab-confirmed cases was zero, similar to the previous week.
 Local Institutional Outbreaks Similar The number of reported institutional influenza outbreaks was zero, similar to the previous week.
 Local Emergency Department ILI: Influenza-like illness Similar 1.77% of ED visits were ILI. This percentage is similar to previous week (1.71%).*
 Local Emergency Department RESP: Respiratory illness Similar 4.12% of ED visits were RESP. This percentage is similar to the previous week (4.47%).*
** Activity level is based on laboratory confirmed cases and outbreaks, which requires less than or greater than 2 cases difference from the previous week.

* ILI and RESP measures requires an increase or decrease of 0.5% or more for a change to be identified.

*The use of the RESP indicator is aligned with the resource below, Ontario ILI Activity Levels

More information about local Alerts & Outbreaks

Information for Ontario and Canada

  • Ontario ILI Activity Levels: Real-time flu surveillance and infectious disease resources; includes Ontario Respiratory Pathogen Bulletins and national Flu Watch
  • National FluWatch surveillance: FluWatch is Canada’s national surveillance system that monitors the spread of flu and flu-like illnesses. FluWatch reports with information on flu activity in Canada are posted every Friday.

Stay healthy this flu season!

Influenza, commonly known as “the flu” is a serious, acute respiratory illness that can lead to complications such as pneumonia.

The flu is caused by a virus, and different strains of the influenza virus circulate each flu season. It’s important to get your flu shot every year so you’re protected with the vaccine designed to match the virus strains that are currently active.

The flu vaccine is provided free of charge each year to Ontario residents and is available through your family doctor or nurse practitioner, at any participating pharmacy, or at a Public Health Immunization Clinic.

For more information about the flu, click here..


Influenza and Pregnancy Factsheet

The flu: don’t pass it on! (video)