Influenza
Influenza, or the flu, is a highly contagious and infectious respiratory disease. The flu causes fever, sore throat, tiredness, sneezing, coughing, watery eyes, nausea, vomiting, and muscle pain. Complications of the flu can result in trouble breathing, convulsions, seizures, and pneumonia.
The flu can spread through coughing and sneezing. You can become infected by coming in close contact with someone sick with the flu. You can also become infected by touching objects that someone with the flu has touched, and then touching your eyes or mouth.
Anyone can get infected by the the flu with the following populations being most at risk: children under 5 years of age, pregnant people, people with chronic conditions (such as: heart disease, liver disease, kidney disease, blood disorders diabetes, severe obesity, asthma and chronic lung disease, neurological disorders, cancer or immune-compromising conditions), indigenous communities, people 65 years of age and older and people who are residents of nursing homes or other chronic-care facilities.
Check out our resources on influenza immunization and share with your network!
NACI Statements
Statement on seasonal influenza vaccine for 2024–2025. 25 July 2024. National Advisory Committee on Immunization (NACI).
- Summary of NACI statement of July 25, 2024: Statement on seasonal influenza vaccine for 2024–2025. 25 July 2024. National Advisory Committee on Immunization (NACI).
Addendum to the statement on seasonal influenza vaccine for 2024-2025: Transition from quadrivalent to trivalent influenza vaccines. 25 July 2024. National Advisory Committee on Immunization (NACI).
Supplemental guidance on influenza vaccination in adults 65 years of age and older. 25 July 2024. National Advisory Committee on Immunization (NACI).
- Summary of NACI statement of July 25, 2024: Supplemental guidance on influenza vaccination in adults 65 years of age and older. 25 July 2024. National Advisory Committee on Immunization (NACI).
Social media calendar
Influenza Pocket Guide for Immunizers
This pocket guide references recent recommendations from the National Advisory Committee on Immunization (NACI):
2023-2024 NACI Statement on Seasonal Influenza Vaccine
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Updated guidance on influenza vaccine during pregnancy. National Advisory Committee on Immunization (NACI). 18 December 2023.
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Statement on Seasonal Influenza Vaccine for 2023-2024. National Advisory Committee on Immunization (NACI). 31 May 2023.
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Summary of the National Advisory Committee on Immunization statement on seasonal influenza vaccine for 2023-2024. National Advisory Committee on Immunization (NACI). 31 May 2023.
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Canadian Immunization Guide: Influenza vaccine. Public Health Agency of Canada. Updated 08 September 2023.
Posters
Social media images
Don’t let the flu get you down this season | teens and young adults
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Don’t let the flu get you down this season | teens and young adults
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Don’t let the flu get you down this season | immuno-compromised persons
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Don’t let the flu get you down this season | immuno-compromised persons
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Don’t let the flu get you down this season | healthcare professionals
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Don’t let the flu get you down this season | healthcare professionals
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Influenza factsheets
Influenza infographics
Influenza videos
Protecting adults 65 and older against influenza (the flu) | video written and produced by Dr. Paul Roumeliotis, in partnership with Immunize Canada
Protecting children against influenza (the flu) | video written and produced by Dr. Paul Roumeliotis, in partnership with Immunize Canada and the former CANVax project
Influenza TikTok videos
Dr. Vivien Brown: Influenza (flu) myths vs. facts
Why you should get the influenza vaccine (flu shot) every year
You can get your COVID-19 and influenza vaccine at the same time
Check our more of our TikTok videos on the influenza vaccine:
- What is influenza?
- Influenza vaccines currently approved for use in Canada
- What are standard-dose influenza vaccines?
- What are adjuvanted influenza vaccines?
- Let’s go over influenza vaccine formulations.
- Let’s go over high-dose influenza vaccines.
- Let’s go over egg-based manufacturing and influenza vaccines.
- Let’s go over cell-based manufacturing and influenza vaccines.
- What is the recombinant influenza vaccine?
Influenza social media images | Myth-busting Mondays
Influenza social media images | Throwback Thursdays
Influenza social media images | One visit. Two shots
One Visit. Two Shots. Protected | Co-administration of influenza and COVID-19 vaccines
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One Visit. Two Shots. Protected | Co-administration of influenza and COVID-19 vaccines
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One Visit. Two Shots. Protected | Co-administration of influenza and COVID-19 vaccines
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One Visit. Two Shots. Protected | Co-administration of influenza and COVID-19 vaccines
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One Visit. Two Shots. Protected | Co-administration of influenza and COVID-19 vaccines
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One Visit. Two Shots. Protected | Co-administration of influenza and COVID-19 vaccines
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One Visit. Two Shots. Protected | Co-administration of influenza and COVID-19 vaccines
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One Visit. Two Shots. Protected | Co-administration of influenza and COVID-19 vaccines
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Influenza posters: One visit. Two shots
One Visit. Two Shots. Protected | Co-administration of influenza and COVID-19 vaccines
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One Visit. Two Shots. Protected | Co-administration of influenza and COVID-19 vaccines
(poster 2 – PDF: 2.4 MB)
One Visit. Two Shots. Protected | Co-administration of influenza and COVID-19 vaccines
(poster 4 – PDF: 2.1 MB)
One Visit. Two Shots. Protected | Co-administration of influenza and COVID-19 vaccines
(poster 5 – PDF: 4.0 MB)