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Risk for travelers
Seasonal flu is present all over the world.
In the Northern Hemisphere, flu season typically lasts from November to March while in the Southern Hemisphere, it typically lasts from April to October.
The flu can occur all year round in the tropics.
Before traveling, check the Travel Advice and Warnings page for your destination:
Travel advice and warnings by destination
Recommendations
Before your trip
Talk to a healthcare provider or make an appointment at a travel health clinic at least 6 weeks before departure.
Protect yourself and others from the flu by taking the following steps:
- Get your flu vaccine at least 2 weeks before your departure.
- It usually takes about 2 weeks for immunity to develop after vaccination.
- Do not travel if you have flu symptoms.
- Keep in mind that flu vaccines in Canada may not be effective against current flu strains in the Southern Hemisphere.
- Likewise, southern hemisphere flu vaccines may not protect you against current strains of flu in Canada.
To find out more:
During your trip
Consider wearing a well-fitted medical mask or respirator.
This is particularly important in riskier situations, such as when you are around lots of people, including travelers at airports or train stations.
Cough and sneeze into a tissue or the crook of your arm
Cough or sneeze into a tissue or your elbow rather than your hand. Dispose of used tissues immediately, preferably in a plastic-lined trash can.
Wash your hands regularly
Wash your hands often with soap and water for at least 20 seconds; or use a hand sanitizer containing at least 60% alcohol.
Carry a bottle of hand sanitizer with you when you travel.
If your hands appear dirty, wash them with soap and water instead of using hand sanitizer.
To find out more:
People at high risk
If you are at high risk of developing complications and have symptoms while traveling, contact a healthcare professional. Before making an appointment in person, describe your symptoms to them and follow their advice.
After your trip
If you are concerned about flu symptoms after your trip, contact a healthcare professional. Before making an in-person appointment, describe your symptoms and recent travel history.
A healthcare professional can advise you on how to avoid spreading the flu to others.
To find out more: