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8 records – page 1 of 1.

Document Type
Evidence Search Report
Review Code
LAB042202-01 ESR
Question Submitted
April 22, 2020
Date Completed
23-Apr-2020
Status
3. Completed
Research Team
Laboratory
Document Type
Evidence Search Report
Review Code
LAB042202-01 ESR
Question Submitted
April 22, 2020
Date Completed
23-Apr-2020
Status
3. Completed
Research Team
Laboratory
Category
Diagnostics
Epidemiology
Subject
Testing
Public Health
Population
All
Clinical Setting
Community
Priority Level
Level 3 completed within 2-3 days
Cite As
Howell-Spooner, B. What frequency of repeat population screening will be required? 2020 Apr 23; Document no.: LAB042202-01 ESR. In: COVID-19 Rapid Evidence Reviews [Internet]. SK: SK COVID Evidence Support Team, c2020. 40 p. (CEST evidence search report)
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Document Type
Rapid Review
Review Code
LAB042202 RR
Question Submitted
April 22, 2020
Date Completed
April 25, 2020
Status
3. Completed
Research Team
Laboratory
Document Type
Rapid Review
Review Code
LAB042202 RR
Question Submitted
April 22, 2020
Date Completed
April 25, 2020
Status
3. Completed
Research Team
Laboratory
Key Findings
Low grade evidence suggests that SARS-CoV-2 may persist within a population and lead to recrudescent outbreaks in winter months which may include the re-infection of previously infected individuals. · Population monitoring by means of repeated cross-sectional surveys and/or longitudinal cohort studies is strongly advised by WHO
Category
Diagnostics
Epidemiology
Subject
Testing
Public Health
Population
All
Clinical Setting
Community
Priority Level
Level 3 completed within 2-3 days
Cite As
Wang, H; Reeder, B; Howell-Spooner, B. What frequency of repeat population screening will be required? 2020 Apr 25; Document no.: LAB042202 RR. In: COVID19 Rapid Evidence Reviews [Internet]. SK: SK COVID Evidence Support Team, c2020. 4 p. (CEST rapid review report)
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Document Type
Rapid Review
Review Code
LAB040701v2 RR
Question Submitted
April 7, 2020
Date Completed
May 8, 2020
Status
5. Updated review
Research Team
Laboratory
Document Type
Rapid Review
Review Code
LAB040701v2 RR
Question Submitted
April 7, 2020
Date Completed
May 8, 2020
Status
5. Updated review
Research Team
Laboratory
Key Findings
COVID-19 is primarily transmitted by symptomatic patientsand presymptomatic individuals.·Moderate grade evidence estimates that approximately 20% of COVID-19 transmission may bedue to that from presymptomatic individuals.However, estimates range from 6.4% -47%.·Asymptomatic individuals and environmental contaminationappear to contributelessto disease transmission,with estimated proportionsof 6% and 10%, respectivelyfrom modelling studies
Category
Clinical Presentation
Epidemiology
Subject
Transmission
Symptoms
Symptomatic
Asymptomatic
Natural History
Population
All
Priority Level
Level 2 completed within 8 hours
Cite As
Wang, H; Reeder, B; Howell-Spooner, B; What proportion of disease transmission is due to asymptomatic, pre-symptomatic and symptomatic cases? 2020 May 8; Document no.: LAB040701v2 RR. In: COVID-19 Rapid Evidence Reviews [Internet]. SK: SK COVID Evidence Support Team, c2020. 12 p. (CEST rapid review report)
Similar Reviews
EPM051301 RR
Review History
LAB040701 RR: April 7, 2020
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Document Type
Evidence Search Report
Review Code
LAB040701v2-01 ESR
Question Submitted
April 7, 2020
Date Completed
May 8, 2020
Status
5. Updated review
Research Team
Laboratory
Document Type
Evidence Search Report
Review Code
LAB040701v2-01 ESR
Question Submitted
April 7, 2020
Date Completed
May 8, 2020
Status
5. Updated review
Research Team
Laboratory
Category
Clinical Presentation
Epidemiology
Subject
Transmission
Symptoms
Symptomatic
Asymptomatic
Natural History
Population
All
Priority Level
Level 2 completed within 8 hours
Cite As
Howell-Spooner, B. What proportion of disease transmission is due to asymptomatic, pre-symptomatic and symptomatic cases? 2020 May 8; Document no.: LAB040701v2-01 ESR. In: COVID-19 Rapid Evidence Reviews [Internet]. SK: SK COVID Evidence Support Team, c2020. 25 p. (CEST evidence search report)
Review History
LAB040701 RR: April 7, 2020
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LAB040701v2-01 ESR

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Document Type
Evidence Search Report
Review Code
LAB040802v3-01 ESR
Question Submitted
April 8, 2020
Date Completed
June 2, 2020
Status
5. Updated review
Research Team
Laboratory
Document Type
Evidence Search Report
Review Code
LAB040802v3-01 ESR
Question Submitted
April 8, 2020
Date Completed
June 2, 2020
Status
5. Updated review
Research Team
Laboratory
Category
Diagnostics
Administration
Subject
Testing
Serology
Polymerase Chain Reaction
Health Personnel
Population
All
Priority Level
Level 2 completed within 8 hours
Cite As
Duncan, V; Howell-Spooner, B. What proportion of healthcare workers are rt-PCR positive and IgM or IgG positive? 2020 Jun 2; Document no.: LAB040802v3-01 ESR. In: COVID-19 Rapid Evidence Reviews [Internet]. SK: SK COVID Evidence Support Team, c2020. 22 p. (CEST evidence search report)
Review History
LAB040802v2 RR: May 19, 2020
LAB040802 RR: April 9, 2020
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LAB040802v3-01 ESR

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Document Type
Rapid Review
Review Code
LAB040802v3 RR
Question Submitted
April 8, 2020
Date Completed
June 2, 2020
Status
5. Updated review
Research Team
Laboratory
Document Type
Rapid Review
Review Code
LAB040802v3 RR
Question Submitted
April 8, 2020
Date Completed
June 2, 2020
Status
5. Updated review
Research Team
Laboratory
Key Findings
Several references provide estimates of the proportion of HCW infected with SARS-CoV2 that range from 0.9% -20%. A recent review from Alberta Health Services that examined the COVID-19 rt-PCR test results among HCW indicates that in that province 2.4% of physicians and 0.9% of non-MD HCW who were tested were positive for SARS-CoV-2 compared to 3.5% of the general population.
In the studies reviewed, the majority of cases are confirmed by RT-PCR, while only one reference also used serology testing.
Category
Diagnostics
Administration
Subject
Testing
Serology
Polymerase Chain Reaction
Health Personnel
Population
All
Priority Level
Level 2 completed within 8 hours
Cite As
Vanstone, J; Reeder, B; Duncan, V; Howell-Spooner, B. What proportion of healthcare workers are rt-PCR positive and IgM or IgG positive? 2020 Jun 2; Document no.: LAB040802v3 RR. In: COVID-19 Rapid Evidence Reviews [Internet]. SK: SK COVID Evidence Support Team, c2020. 10 p. (CEST rapid review report)
Review History
LAB040802v2 RR: May 19, 2020
LAB040802 RR: April 9, 2020
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Document Type
Evidence Search Report
Review Code
LAB042201-01 ESR
Question Submitted
April 22, 2020
Date Completed
23-Apr-2020
Status
3. Completed
Research Team
Laboratory
Document Type
Evidence Search Report
Review Code
LAB042201-01 ESR
Question Submitted
April 22, 2020
Date Completed
23-Apr-2020
Status
3. Completed
Research Team
Laboratory
Category
Diagnostics
Epidemiology
Subject
Testing
Public Health
Population
All
Clinical Setting
Community
Priority Level
Level 3 completed within 2-3 days
Cite As
Duncan, V. What sampling method is most appropriate for population testing? 2020 Apr 23; Document no.: LAB042201-01 ESR. In: COVID-19 Rapid Evidence Reviews [Internet]. SK: SK COVID Evidence Support Team, c2020. 14 p. (CEST evidence search report)
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Document Type
Rapid Review
Review Code
LAB042201 RR
Question Submitted
April 22, 2020
Date Completed
April 23, 2020
Status
3. Completed
Research Team
Laboratory
Document Type
Rapid Review
Review Code
LAB042201 RR
Question Submitted
April 22, 2020
Date Completed
April 23, 2020
Status
3. Completed
Research Team
Laboratory
Key Findings
For COVID-19 there are no published data to identify optimal population sampling methods, however, a population-based sample in which testing is performed for both rt-PCR and serology might be recommended. There are also opportunities to examine innovative sampling strategies being used in pilot studies underway in other jurisdictions.
Category
Diagnostics
Epidemiology
Subject
Testing
Public Health
Population
All
Clinical Setting
Community
Priority Level
Level 3 completed within 2-3 days
Cite As
Vanstone, J; Reeder, B; Duncan, V. What sampling method is most appropriate for population testing? 2020 Apr 23; Document no.: LAB042201 RR. In: COVID-19 Rapid Evidence Reviews [Internet]. SK: SK COVID Evidence Support Team, c2020. 5 p. (CEST rapid review report)
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8 records – page 1 of 1.