Interim scientific guidance

At the beginning of the COVID-19 vaccination campaign, results from clinical studies showed that two doses of vaccine provided excellent protection against disease and hospitalization due to COVID-19. However, the large epidemic wave caused by the arrival of the Omicron variant in late 2021 led to a broad recommendation to administer a booster dose to all adults. This outbreak highlighted the reduced performance of the vaccines in preventing symptomatic COVID-19, while demonstrating that…

The present document analyzes current knowledge about available disinfection options for N95 FFRs and puts into perspective the advantages and limitations of each disinfection process identified. The authorizations that have been issued by Health Canada are also specified. Finally, the recommendations of the CERDM are presented.

The Ministère de la Santé et des Services sociaux (MSSS) recently asked the CIQ to issue an opinion on the target interval before administration of the second dose, and important considerations to be taken into account for decision-making. The purpose of this opinion is to answer this question through an analysis of the most recent data on COVID-19 vaccine effectiveness from Quebec and abroad.

Recently, various strategies have been recommended in a number of jurisdictions regarding the time interval between the two doses of COVID-19 vaccines. The Ministère de la Santé et des Services sociaux (MSSS) has asked the Comité sur l'immunisation du Québec (CIQ) to explain the basis of these different intervals. The MSSS also inquired whether the CIQ has maintained the recommendations that it put forward in a recent scientific notice, in particular, the recommendation to offer an initial…

The number of cases, hospitalizations, and deaths due to COVID-19 have been increasing in Quebec since August 2020. In addition to the suffering of those infected and their friends and family, caring for patients and their contacts creates a significant burden for healthcare workers, who are frequently infected, threatening the integrity of our healthcare system. The way the pandemic develops in the coming months will depend on the population’s compliance with the recommendations to…