Immunization protects you from disease.Get protected, get immunized.
COVID-19 vaccines protect against the SARS-CoV-2 virus (also known as COVID-19).
The virus causes an infection in the lungs and airways and is a type of respiratory illness. Go to
ahs.ca/covid to learn more about COVID-19.
You should get a COVID-19 vaccine if you’re age 12 years or older. Everyone is at risk of COVID-19. COVID-19 vaccines are free.
Yes, you can get the COVID-19 vaccine if you’re pregnant or breastfeeding. When you’re pregnant, you have a higher risk of getting very sick from COVID-19. Getting a COVID-19 vaccine during pregnancy lowers your risk of getting seriously ill from COVID-19.
Moderna, Pfizer-BioNTech, and AstraZeneca/COVIDSHIELD vaccines require at least 2 doses.
You may need additional doses of the COVID-19 vaccine to give you more protection if you have a high risk of severe disease, such as you:
If you’re travelling outside of Canada, you may need additional doses. This only applies if your destination requires you to have a certain COVID-19 vaccine series.
If you need additional doses, your healthcare provider will let you know when you should have them.
alberta.ca/covid19-vaccine.aspx for more information.
If you’re healthy and get all the doses you need, the vaccines give you very good protection against COVID-19. The mRNA vaccines are somewhat more effective than the viral vector-based vaccines.
You need both doses for the greatest protection. All COVID-19 vaccines work very well to lower your risk of getting seriously ill from COVID-19. They also lower your risk of needing to be in the hospital.
ahs.ca/covidvaccine to find out where and when you can get a COVID-19 vaccine.
There can be side effects from the COVID-19 vaccine, but they tend to be mild and go away in a few days. Side effects may include:
Current information shows that the risk of side effects after additional doses of COVID-19 vaccine is similar to the risk after the first or second dose. Research continues to find out more about the risk of side effects after additional doses of COVID-19 vaccine.
It’s important to stay at the clinic for 15 minutes after your vaccine. Some people may have a rare but serious allergic reaction called anaphylaxis. If anaphylaxis happens, you’ll get medicine to treat the symptoms.
It’s rare to have a serious side effect. Call Health Link at 811 to report any serious or unusual side effects.
Rare events after getting the AstraZeneca/COVISHIELD vaccineThere have been very rare reports of blood clots, low levels of platelets (these help your blood to clot), and bleeding after getting the AstraZeneca/COVISHIELD vaccine.
You may not be able to get a COVID-19 vaccine if you:
Check with your doctor or a public health nurse before you get the vaccine.
Be sure to talk to your doctor
before you get a COVID-19 vaccine if you:
Always tell your healthcare provider if you have allergies or if you've had a side effect from a vaccine in the past.
What is COVID-19? COVID-19 is a new strain of coronavirus that’s caused a worldwide pandemic. The virus causes an infection in the lungs and airways and is a type of respiratory illness. Symptoms may include:
Most people have only mild symptoms or no symptoms at all. But if you’re an older adult or have other health problems, you can get very sick and may need care in a hospital. In serious cases, COVID-19 can cause a type of lung infection called pneumonia. Pneumonia makes it hard to breathe without help and can even lead to death.
COVID symptoms for a list of all symptoms that may be related to COVID-19.
How does it spread? COVID-19 spreads:
It’s important to know that you and others can spread COVID-19 before symptoms start.
ahs.ca/covid to find out more.
How can I prevent COVID-19 from spreading? To prevent COVID-19 from spreading:
If you think you’ve had contact with COVID-19 or have symptoms, take the COVID-19 Self-Assessment at
Current as of: September 16, 2021
Author: Provincial Immunization Program, Alberta Health Services
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