CANVAS-COVID Study Results

Results as of: August 3, 2022 | View adult results

CANVAS-COVID Kids:

Monitoring the safety of COVID-19 vaccines in Canada

Vaccination dose received and survey completed:

DOSE 1

survey  completed

249,592

DOSE 2

survey  completed

128,871

What is a health event?

Health events are any changes to your health after getting vaccinated, which may include worsening of an existing health condition.

Dose 1:

46%

Dose 2:

47%

of people experienced pain, swelling, or redness at the injection site

After dose 1:

0%

94%

of people did not develop any other health events within 7 days of receiving their first dose

0%

96%

of people did not develop a new health event within 7 days that prevented daily activities, 
work or required a medical visit

After dose 2:

0%

95%

of people did not develop any other health events within 7 days of receiving their second dose

0%

97%

of people did not develop a new health event within 7 days that prevented daily activities, 
work or required a medical visit

Most frequent other health events reported:

Dose 1:

Dose 2:

2.7%

2.8%

Flu-like symptoms

(such as fatigue, muscle ache, feeling unwell)

2.0%

2.1%

Headache or migraine

1.5%

1.4%

Nausea, vomiting, diarrhea

1.4%

1.5%

Fever

Dose 1 Dose 2 Symptoms
2.7%
2.7%
Flu-like (such as fatigue, muscle ache, feeling unwell)
1.9%
2.2%
Headache or migraine
1.5%
1.3%
Nausea, vomiting, diarrhea
1.3%
1.5%
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