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.

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...

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...

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.

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...

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...

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...

People with COVID-19 do not always recognize their early symptoms. Even if you do not have symptoms now, it is possible to transmit COVID-19 before you start showing symptoms or without ever developing symptoms. You need to quarantine (self-isolate) for 14 days at home when you may have been...

We have developed a guidance for managing COVID-19. This guidance is for: health professionals who manage clinical care, and infection prevention and control within health care facilities, health professionals who develop public health advice, policies and programs, and a broad range of sectors,...

The following document integrates credible information from the Government of Canada that you can present at your virtual engagement session.

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.

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

A guide to support ethics deliberation and decision-making in the public health response to the COVID-19 pandemic, including the various transition phases that will occur over the course of the pandemic.

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...

The following guidance is directed to administrators of schools from kindergarten to grade 12 (K-12) and local public health authorities (PHAs) in jurisdictions where these schools exist. The guidance is not prescriptive in nature, rather, it supports administrators and PHA's to consider...

More people getting vaccinated means fewer people getting sick. When you get your shot, you make it safer in your community so that certain measures can be lifted and we can gather safely.