Influenza antiviral medications are recommended for treatment of some individuals when influenza is circulating in your community. See our factsheet for more information (November 2017) on the use of antiviral medications for the treatment and prevention of influenza.
For information on influenza circulation in your community, see Table 5 in the Ontario Respiratory Pathogen Bulletin.
The ORPB is posted every Friday from November to April.
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PHO monitors and analyzes the spread and intensity of respiratory pathogen activity and influenza in Ontario to support local, provincial, federal and global surveillance efforts.
The Ontario Respiratory Pathogen Bulletin (ORPB) is a
comprehensive, weekly summary of provincial respiratory pathogen activity. As well, in
the bulletin, you will find information on the onset, duration, conclusion,
geographic patterns, severity and progression of seasonal influenza activity.
Healthcare worker influenza immunization coverage rate data for the 2016-2017 season can be found in the Week 16 ORPB.
Important changes to the ORPB for the 2017/18 season:
Scroll down to see the interactive version of the report and map.
Looking for reporting information or seasonal summaries? Check out the bottom of this page.
Provincial surveillance reportingFor public health units conducting surveillance monitoring activities, please refer to the following surveillance submission information for the current season:
2017-18 Surveillance Weeks
2017-18 Surveillance Package
Ontario Influenza Activity Report Form
View the archived reports and maps
Reports from other jurisdictions
FluWatchPublic Health Agency of Canada
FluViewUnited States Centers for Disease Control and Prevention
Flu News EuropeEuropean Centre for Disease Prevention and Control and World Health Organization