COVID-19 Rapid Evidence Service

As one strategy to support the public health sector’s response to COVID-19, the National Collaborating Centre for Methods and Tools (NCCMT) has developed a Rapid Evidence Service. The Rapid Evidence Service provides trusted and approachable overviews of recent research to answer your pressing questions related to COVID-19. The Service includes a summary of the key points and knowledge gaps from a rigorous review of the research. It also provides an appraisal of the methodological quality of the evidence using internationally accepted methods and tools.

We are currently accepting and responding to questions about COVID-19 from public health organizations. Please contact us at nccmt@mcmaster.ca if you have a question that you would like us to explore related to COVID-19.

Rapid Reviews

The table below highlights recent rapid reviews for priority COVID-19 topics. Please click on the links to access the full report for each topic.

Topic Area Question Date of Search Date of Last Update Link
Transmission by Children What is the specific role of daycares and schools in COVID-19 transmission? August 7, 2020 August 11, 2020 Link
Surface Transmission
What is known about how long the virus can survive with potential for infection on surfaces?
July 27, 2020 July 31, 2020 Link
Congregate living settings What factors increase the risk of COVID-19 outbreaks in congregate living settings? Do people who contract COVID-19 from outbreaks in congregate living setting have worse outcomes than community-dwelling adults? July 27, 2020 July 31, 2020 Link
Wastewater Surveillance What is known about using wastewater surveillance to monitor the COVID-19 pandemic in the community?  July 21, 2020 July 29, 2020 Link
Family Life What is known about the impact of the pandemic on working families with children? July 16, 2020 July 22, 2020 Link
Psychiatric inpatient facilities What is known about best practices for infection prevention and control in inpatient psychiatric facilities? June 22, 2020 June 26, 2020 Link
Opioids What is the effect of the COVID-19 pandemic on substance use, overdoses, and substance-related deaths? How have rates of overdoses and substance-related deaths been affected during the COVID-19 pandemic? What strategies have been used to mitigate substance use during the COVID-19 pandemic? June 15, 2020 June 19, 2020 Link
Alcohol What is the effect of the COVID-19 pandemic on alcohol use, poisonings, and alcohol-related deaths? What strategies have been used to mitigate alcohol abuse during the COVID-19 pandemic? June 15, 2020 June 19, 2020 Link
Cohort isolation What is the effectiveness of cohorting virus-positive residents to shared rooms in care facilities? June 9, 2020 June 12, 2020 Link
Copper What is known about the efficacy and cost-effectiveness of copper materials to reduce transmission of viruses? June 8, 2020 June 12, 2020 Link
Incubation period What is known about the incubation period for COVID-19? June 1, 2020 June 5, 2020 Link
Policies for isolation Are any other jurisdictions using isolation periods other than 14 days in response to COVID-19? If yes, what is their rate of COVID-19 cases?  June 2, 2020 June 5, 2020 Link
Re-infection What is known on the potential for COVID-19 re-infection, including new transmission after recovery?  May 26, 2020 May 29, 2020 Link
Serological testing What serological tests are available, and what are their sensitivities and specificities? May 26, 2020 May 29, 2020 Link
Policies for re-infections How have affected jurisdictions handled previously positive cases in the context of re-exposure/re-infection?  May 26, 2020 May 29, 2020 Link
Indigenous communities What is known about the impact of the COVID-19 pandemic on Indigenous communities in Canada?  May 19, 2020 May 22, 2020 Link
Stigma What is known about stigmatization related to COVID-19 in Canada? Who is experiencing stigma? To what extent is stigma experienced and what is the impact?  May 19, 2020 May 22, 2020 Link
Indirect transmission What is the role of indirect transmission (i.e. surfaces/fomites) on COVID-19? May 11, 2020 May 15, 2020 Link
Mental health How does physical distancing impact mental health?  May 6, 2020 May 15, 2020 Link
Pregnancy Is there an increased risk of adverse maternal or fetal outcomes in women diagnosed with COVID-19 during pregnancy?  May 6, 2020 May 15, 2020 Link