Public Health Agency of Canada

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

Rapid disappearance of influenza following the implementation of COVID-19 mitigation measures in Hamilton, Ontario

This infographic uses data from the 2017 Canadian Survey on Disability (CSD), a national survey of Canadians aged 15+ years living in private dwellings whose daily activities are limited due to a long-term condition or health related problem, to profile individuals with a diagnosed developmental...

The Government of Canada has put in place emergency measures to slow the introduction and spread of COVID-19 and variants in Canada.

The Government of Canada has put in place emergency measures to slow the introduction and spread of COVID-19 and variants in Canada.

Travellers entering Canada must follow the rules set out by the Emergency Orders under the Quarantine Act to help reduce the spread of COVID-19 and its variants.

The way your mask fits can help protect you and others from COVID-19.

In 2021-22, PHAC will use many tools to promote vaccine uptake, leverage public opinion research to address evolving issues relating to vaccine hesitancy, and continue to work hard to protect Canadians by ensuring vaccine safety. PHAC will also continue to provide Canadians with useful, timely,...

Diagnosing and how we test, testing importance and contact tracing, increasing testing supply, test accuracy, testing for travellers, national overview of tests performed, roles and responsibilities, authorized testing devices, testing devices under review, access to and types of testing devices,...

Getting to your government-authorized hotel, responsibilities during your stay, meals and activities, getting your test results, violations, fines, and penalties.

Initial supplies of authorized COVID-19 vaccines are not expected to be sufficient to offer vaccination to all Canadians in whom they are authorized for use until the fall of 2021. Therefore, recommendations to prioritize key populations for early immunization are needed in order to meet the...

The Public Health Agency of Canada collects information on reported cases of the sexually transmitted infections chlamydia, gonorrhea and infectious syphilis through the Canadian Notifiable Diseases Surveillance System (CNDSS).

Proper ventilation is another way to help prevent the spread of COVID-19. Good ventilation exchanges indoor air for outdoor air, helping to reduce potentially infectious particles in the air indoors.

The Public Health Agency of Canada (PHAC) has developed this guide to inform Canadians about how indoor ventilation, in combination with other recommended public health measures, can reduce the spread of COVID-19. This guide also provides practical tips on how to improve indoor air, ventilation...

COVID-19 vaccines are safe and effective. Free vaccines will be available to everyone who lives in Canada over the course of 2021. Until extensive immunization is achieved, public health measures will continue to be essential to minimize the spread of COVID-19 in Canada and save lives.

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...

"This dataset provides the cumulative number and percent of people who have received a COVID-19 vaccine in Canada by report week, number of doses, age group, sex, and jurisdiction. Variables include: Jurisdiction ID number Jurisdiction Report week Sex Age group Cumulative number vaccinated with...

"This dataset provides the cumulative number and percent of people in key populations who have received a COVID-19 vaccine in Canada, by number of doses and report week. Key populations are identified by the National Advisory Committee on Immunization and prioritized for early vaccination....

Weekly surveillance reports and monitoring maps for measles and rubella in Canada. As a nationally reportable disease in Canada, surveillance of measles is conducted by public health professionals in provinces and territories. They report cases to the Government of Canada (GC) through systems at...