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. 

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...

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

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.

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...

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.

The Pfizer-BioNTech and Moderna COVID-19 vaccines are mRNA vaccines that were initially authorized by Health Canada for use in individuals 16 and 18 years of age and older, respectively, in December 2020. On May 5, 2021, Health Canada expanded the Interim Order authorization for the...

When people still show symptoms of COVID-19 for weeks or months after their initial recovery, it’s called post COVID-19 condition. It’s also known as long COVID. Post COVID-19 condition may occur in some people after infection.

If you missed certain vaccines before or during pregnancy, you should get them after your baby is born. This will lower the chance that you'll get a vaccine-preventable disease and spread it to your baby. This is especially important while your baby is too young to receive certain vaccines.

Vaccinations during pregnancy protect both you and your developing baby from serious infections. They also help protect infants after birth, when they're too young to be vaccinated. If you're pregnant, you should be vaccinated against whooping cough (pertussis) and flu. Talk to your health care...

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. Unvaccinated asymptomatic travellers 12 years of age and over are not required to quarantine upon entering Canada if they meet the...

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.

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....

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...

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...

We are asking you to share, on your social media channel, your reason for getting vaccinated. Sharing your vaccination story can increase vaccine confidence amongst people in Canada. As more people get vaccinated, our communities become safer and we can all get back to the people, places and...

When choosing a presenter for your session, consider the specific attributes of your audience and what expertise is available in your community or organization. Identify a mechanism for tracking registrations and participants’ emails. If your event participants speak another language, you might...