Héma-Québec Seroprevalence Study
The objectives of the study are to :
1. Estimate the proportion of population that was infected by the SARS-CoV-2 virus in the province of Quebec, particularly in the greater Montreal area, during the first wave of COVID-19;
2. Monitor the evolution of this proportion until the end of the pandemic and;
3. Estimate the proportion of people infected with SARS-CoV-2 who remained asymptomatic during the first wave of the disease.
Overview
- Acronym
- HQ
- Investigators
-
- Contacts
-
General Design
- Study design
- Cohort
- Start - End Year
- 2020 -
- General Information on Follow Up (profile, frequency)
-
In order to continue monitoring the evolution of COVID-19 in Quebec, the study may be repeated at regular intervals until the end of the pandemic. The first follow-up will begin in January 2021 and will continue over a 7-week period in the context of the second wave of the pandemic.
- Recruitment Target
-
- Individuals
- Number of Participants
- 7,691
- Number of Participants with Biological Samples
- 7,691
Access
Availability of data and biosamples
| Possible Access to Data | |
| Possible Access to Biosamples | |
| Other |
|
Timeline
Population
HQ population
The population is composed of individuals aged 18 to 81 who donated blood between May 25 and July 9 2020 in 14 of Quebec's 18 health regions.
Selection Criteria
- Minimum age
-
18
- Maximum age
-
81
- Countries
-
- Canada
- Territory
- Quebec
- Health Status
-
- Being eligible for regular blood donation (good health)
- Other Criteria
- Exclusion: symptoms of COVID-19 in the last 14 days prior to their donation
Sources of Recruitment
- Specific Population
-
- Other specific population : Blood donors
- Supplementary Information
-
The participants of this seroprevalence study were regular blood donors who completed their donation between May 25 and July 9 2020.
Sample Size
- Number of Participants
- 7,691
- Number of Participants with Biological Samples
- 7,691
Data Collection Events
| # | Name | Data sources | Data sources - Biosamples | Start | End |
|---|---|---|---|---|---|
| 0 | HQ - Wave 1 |
|
|
2020 (May) | 2020 (July) |
| 1 | HQ - Nested case-control study |
|
2020 (May) | 2020 (July) | |
| 2 | HQ - Wave 2 |
|
|
2021 (January) | 2021 (March) |
Participating Studies
| Acronym | Name | Study design | Countries |
|---|
Harmonization Initiatives Included
| Acronym | Name |
|---|
Datasets
| Name | Data Collection Events | Variables |
|---|
Areas of Information Collected
- Socio-demographic and economic characteristics
- Death
- Lifestyle and behaviours
- Physical measures and assessments
- Birth, pregnancy and reproductive health history
- Laboratory measures
- Perception of health, quality of life, development and functional limitations
- Cognition, personality and psychological measures and assessments
- Diseases
- Life events, life plans, beliefs and values
- Symptoms and signs
- Preschool, school and work life
- Medication and supplements
- Social environment and relationships
- Non-pharmacological interventions
- Physical environment
- Health and community care services utilization
- Administrative information
Variables Content Summary
Areas of Information Collected
No Areas of Information Collected
No Scales Collected
Areas of Information Collected per per Population and Data Collection Event
No Areas of Information Collected
No Scales Collected
Networks
| Acronym | Name | Harmonization Initiatives | Individual Studies |
|---|
Last Update: 2023-05-03T11:17:21.723