Public Health Agency of Canada

The Canada Communicable Disease Report is a bilingual, open-access, peer-reviewed journal on the prevention and control of emerging and persistent infectious diseases.

This document also discusses an approach to managing COVID-19 vaccines that are administered in a manner that differs from the recommendations of the manufacturer as authorized by Health Canada and/or the recommendations for use by National Advisory Committee on Immunization (NACI). These are...

This biosafety advisory is being provided by the Public Health Agency of Canada (PHAC) to assist clinical, diagnostic, and research laboratories in implementing proper biosafety procedures to safely handle samples that may contain SARS-CoV-2. This biosafety advisory also aims to support local...

This statement contains NACI’s independent advice and recommendations, which are based upon the best current available scientific knowledge. This document is being disseminated for information purposes. People administering the vaccine should also be aware of the contents of the relevant product...

The National Advisory Committee on Immunization (NACI) is an External Advisory Body that provides the Public Health Agency of Canada (PHAC) with independent, ongoing and timely medical, scientific, and public health advice in response to questions from PHAC relating to immunization. This...

The Public Health Agency of Canada, in collaboration with provincial and territorial public health authorities, established the Canadian SARS-CoV-2 Variant Surveillance Group (CSVSG) to monitor and assess the impact of variants of SARS-CoV-2 on viral transmissibility, disease severity, and...

The Canada Communicable Disease Report is a bilingual, open-access, peer-reviewed journal on the prevention and control of emerging and persistent infectious diseases

Health Promotion and Chronic Disease Prevention in Canada: Research, Policy and Practice (the HPCDP Journal) is the monthly, online scientific journal of the Health Promotion and Chronic Disease Prevention Branch of the Public Health Agency of Canada. The journal publishes articles on disease...

The Canada Communicable Disease Report is a bilingual, open-access, peer-reviewed journal on the prevention and control of emerging and persistent infectious diseases.

The Canada Communicable Disease Report is a bilingual, open-access, peer-reviewed journal on the prevention and control of emerging and persistent infectious diseases.

The Canada Communicable Disease Report is a bilingual, open-access, peer-reviewed journal on the prevention and control of emerging and persistent infectious diseases

SARS-CoV-2, the virus that causes COVID-19, spreads from an infected person to others through respiratory droplets and aerosols when an infected person breathes, coughs, sneezes, sings, shouts, or talks. The droplets vary in size, from large droplets that fall to the ground rapidly (within...

We present the most up-to-date data on SARS-CoV-2 antibody timelines, including the longevity of antibodies, and the production and detection of neutralizing antibodies and provide practical guidance for clinical microbiology laboratories to both verify commercial serology assays and choose...

Simple mathematical modelling approaches to assessing the transmission risk of SARS-CoV-2 at gatherings

Serum antibody response in COVID-19-recovered patients who retested positive

The Canada Communicable Disease Report is a bilingual, open-access, peer-reviewed journal on the prevention and control of emerging and persistent infectious diseases.

This year’s annual report describes the heavy toll that the COVID-19 pandemic has had on Canadian society, both directly and through the steps taken to mitigate its effect.

The Canada Communicable Disease Report is a bilingual, open-access, peer-reviewed journal on the prevention and control of emerging and persistent infectious diseases.

This biosafety advisory is being provided by the Public Health Agency of Canada (PHAC) to assist clinical, diagnostic, and research laboratories in implementing proper biosafety procedures to handle samples that may contain SARS-CoV-2.