Influenza information for Ontario health care providers



Influenza Activity & Surveillance

The following does not constitute medical advice. If you have a medical question or symptoms of illness, you should consult a physician. This information is being shared for information purposes only as part of a pilot project. Her Majesty the Queen in Right of Ontario as represented by the Minister of Health and Long-Term Care makes no representation or warranty of any kind as to the accuracy, completeness or currency of the information provided. The information is subject to change at any time and without prior notice.

Influenza Activity

The Knowledge Management Division of the Kingston, Frontenac, Lennox and Addington Public Health Unit (KFL&A) operates the Acute Care Enhanced Surveillance (ACES) System on behalf of the Province of Ontario. ACES is a real-time syndromic surveillance system that uses emergency department visit data to detect potential threats to public health.

Leveraging ACES data, KFL&A developed the following to support health system partners:

Global Influenza Activity Resources

There are a variety of sources that health workers and health sector employers can turn to for information on influenza activity in Ontario, Canada, North America and the world:

Seasonal Influenza Risk Assessment Process

From November to April, the Ministry of Health and Long-Term Care reviews a set of indicators on a weekly basis to assess how the province is progressing through the influenza season. These indicators include data from syndromic and laboratory surveillance systems, as well as health system utilization data.

For more information about this project, please contact the ministry's Health System Emergency Management Branch by email at or by phone at 1-866-212-2272.

For More Information
For information about flu

Call the ServiceOntario INFOline at 1-877-844-1944
TTY 1-800-387-5559
TTY (Toronto) 416-327-4282
Hours of operation : 8:30am - 5:00pm

To speak with a registered nurse

Visit Telehealth Ontario or call 1-866-797-0000
TTY: 1-866-797-0007
Hours of operation : 24 hours, 7 days a week

To find health care options in your community

Visit or call 1-866-330-6206.

To find a health care provider

If you don't have a health care provider, you can register for the Health Care Connect program. Visit or call 1-800-445-1822.