Public Health Agency of Canada

The Government of Canada has put in place emergency measures under the Quarantine Act to slow the introduction and spread of COVID-19 and variants in Canada. Fully vaccinated travellers without signs and symptoms of COVID-19 are not required to quarantine upon entering Canada if they comply with...

Provinces and territories decide how, who and when to vaccinate populations living in their region. They consider advice from a number of expert sources as well as their unique situations to vaccinate the people in their region.

You probably use many household chemical products in and around your home and garage. These products may include cleaning liquids and powders, polishes, drain cleaners, paint and paint thinners, liquid laundry detergent packets and windshield washer fluids. These types of products can be...

This is a link to multiple publications of diseases and conditions in Canada.

Vaccination is one of the most effective ways to protect our families, communities and ourselves against COVID-19. Evidence indicates that vaccines are very effective at preventing severe illness, hospitalization and death from COVID-19, including against Alpha and Delta variants of concern....

Due to the COVID-19 pandemic, enhanced border measures authorized by the Quarantine Act were introduced. These measures ensure appropriate actions are taken to reduce the spread of the virus. To verify and improve compliance with the Emergency Orders under the Quarantine Act, the Public Health...

As COVID-19 continues to circulate in Canada and more people are getting vaccinated, different public health measures (PHMs) may be required, based on the level of transmission and other key indicators outlined below. This interim guidance provides considerations for adjusting PHMs in the context...

The World Health Organization (WHO) refers to symptoms lasting for weeks or months after a COVID-19 infection as post COVID-19 condition. Some studies have reported later symptoms in patients with a severe COVID-19 infection. For example, those who were hospitalized or needed intensive care...

The Public Health Agency of Canada’s (PHAC) COVID-19 immunization recommendations for individuals previously vaccinated with COVID-19 vaccines not authorized by Health Canada is intended to support local, territorial, and provincial, decision-making by public health departments and health care...

Information on the different types and uses of masks and respirators approved for use in Canada, and their importance during the COVID-19 pandemic to help slow the spread of coronavirus and protect health care providers.

How to quarantine or isolate at home. Quarantine or isolation can reduce the spread of COVID-19, including its variants, in your household and community. That's why it's important to follow the advice of your local public health authority about when and how to quarantine or isolate.

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...

Canada's National Microbiology Laboratory (NML) is known around the world for its scientific excellence. We work with public health partners in Canada and abroad to prevent the spread of infectious diseases. Main functions are: research, lab-based surveillance, emergency preparedness and...

This guidance supports high quality investigations that will contribute to public health’s collective understanding of COVID-19 transmission in all types of school settings and the utility of mitigation measures implemented. A systematic approach to outbreak response, including an investigation...

This document outlines the recommended goals, objectives, and activities for COVID-19 surveillance in Canada. These guidelines are based on current available scientific evidence and expert opinion and are subject to change as new information becomes available. They should be read in conjunction...

COVID-19 information for physicians, nurses, pharmacists and other health care providers.

Health Promotion and Chronic Disease Prevention in Canada: Research, Policy and Practice (the HPCDP Journal) is a bilingual, peer-reviewed scientific journal of the Public Health Agency of Canada’s Health Promotion and Chronic Disease Prevention Branch. COVID-19 Rapid Release Articles

With new, more transmissible variants of the COVID-19 virus in countries around the world, the Government of Canada continues to take a data-driven and precautionary approach to its border measures for travellers entering Canada. The Government of Canada's phased approach to easing border...

The Public Health Agency of Canada (PHAC) released new modelling projections of the number of opioid-related deaths that may occur over the course of the coming months. The results of the model suggest that, under some scenarios, the number of opioid-related deaths may remain high or may even...