Public Health Agency of Canada

The Respiratory Virus Detection Surveillance System collects data from select laboratories across Canada on the number of tests performed and the number of tests positive for influenza and other respiratory viruses. Data are reported on a weekly basis year-round to the Centre for Immunization and...

Find information, tools and facts about symptoms, risks and how to prevent, treat and manage HIV and AIDS.

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 COVID-19 Vaccination Coverage Survey (CVCS) targets all Canadian adults living in the 10 provinces and the capital cities of the 3 territories, except those who live: in institutions or collective dwellings; on-reserve. The purpose of the survey is to measure COVID-19 vaccination coverage in...

"The 2018 survey asks Canadians questions about awareness, knowledge, attitudes, and behaviours related to Sexually Transmitted and Blood-Borne Infections (STBBI). To some extent, the survey builds on previous surveys commissioned by the Public Health Agency of Canada in 2003, 2006, and 2012,...

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 Public Health Agency of Canada (PHAC) identified the need for public opinion research to understand healthcare providers' (HCP) perspectives of, and experiences with, vaccine delay/refusal at a time when the number of Canadians who are delaying/refusing immunization is increasing. The...

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 page is a summary of National Advisory Committee on Immunization (NACI) statement: Recommendations on the use of COVID-19 vaccines.

This evergreen document will be updated as COVID-19 vaccines are authorized and become available for use in Canada, and as evidence on these vaccines and COVID-19 evolves. This table summarizes the latest changes to this current version. Please refer to the Table of updates for a full list of...

Public Health Agency of Canada (PHAC)’s landing page for multiple public health surveillance programs.

As businesses safely reopen and vaccination rates increase, continuing to test and screen for COVID-19 can help prevent outbreaks, maintain safe workplaces and keep the economy running.

Drugs and vaccines that have been authorized by Health Canada for use in relation to the COVID-19 pandemic are listed in this document.

Pregnancy increases the risk of severe illness from COVID-19. The National Advisory Committee on Immunization (NACI) recommends you get a complete series with an mRNA COVID-19 vaccine if you're pregnant or breastfeeding. Getting the COVID-19 vaccine can prevent serious illness, hospitalization...

The health and safety of Canadians is our priority. Along with measures reported in the Government of Canada's response to COVID-19, Health Canada introduced innovative and agile regulatory measures to make health products available to Canadians and health care workers. The COVID-19 pandemic...

The coronavirus disease (COVID-19) pandemic has had unprecedented consequences for Canada's aging population with the majority of COVID-19 deaths (approximately 80% during 2020) occurring among adults aged 65 years and older. Both advanced age and underlying chronic diseases and conditions...

Before becoming pregnant, talk to your health care provider or local public health authority to make sure your vaccines are up to date. Some vaccines are generally not recommended during pregnancy. Live vaccines such as MMR (mumps, measles and rubella) and chicken pox (varicella) should be given...

This report presents evidence-informed recommendations for testing a vaccinated population and vaccinated individuals.