Ab-C population
The population is composed of Canadians who are members of the Angus Reid Forum and are 18 years old and older.
The population is composed of Canadians who are members of the Angus Reid Forum and are 18 years old and older.
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Minimum age
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18
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Newborns
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Twins
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Countries
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Territory
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Ethnic Origin
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Health Status
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Other Criteria
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Inclusion: People who are willing and able to complete a verbal telephone consent, willing to undergo one blood draw or home blood sampling, willing to have blood samples stored for future research
Exclusion: People who have inability to complete questionnaires in English or French
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Sources of recruitment
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Specific Population
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Other specific population : Members of the Angus Reid Forum
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Supplementary Information
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Members of the Angus Reid Forum (ARF) were invited to take an online survey on symptoms associated with SARS-CoV-2 and testing histories. The first phase selected adults stratified by age, sex, education, and region, by census metropolitan area to match the national demographic distribution, with oversampling of adults age 60 years or older.
Forum panel members who lived in 17 pre-defined public health regions (out of 93 in Canada) who had not already enrolled in the study were recruited later.
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Number of Participants
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19,994
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Number of Participants with Biological Samples
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8,967