570,556 snapshots · latest May 3, 2026
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Browse and search historical snapshots. This is an archive — not current guidance or medical advice. Archived content may be incomplete, outdated, or superseded. For up-to-date recommendations, always consult the official source website.
For background on coverage and capture methods, see Methods & coverage.
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386,223 snapshots · latest Apr 14, 2026
243,880 snapshots · latest Apr 28, 2026
Public Health Notice: Outbreak of Salmonella infections linked to imported pastries March 19, 2025 – Final Notice This outbreak investigation is closed. This notice has been updated to reflect that the outbreak appears to be over and the outbreak investigation has been closed. At…
Measles Annual Surveillance Report: 2019 Download this article as a PDF Published by: The Public Health Agency of Canada Issue: Volume 47-3: Influenza and Other Respiratory Viruses Date published: March 2021 ISSN: 1481-8531 Subscribe to CCDR Information for authors About CCDR…
Summary of National Advisory Committee on Immunization Rapid Response of June 10, 2022 This publication was published before November 28, 2022. Since then, the World Health Organization began using ‘mpox’ as the preferred term for monkeypox disease. Download the alternative…
Summary of the NACI statement on the prevention of RSV in older adults Download this article as a PDF (75 KB) Published by: The Public Health Agency of Canada Issue: Volume 51-8, August 2025: Antiviral Therapy Date published: August 2025 ISSN: 1481-8531 Subscribe to CCDR…
Archived - NACI immunization recommendations update: Pneumococcal Vaccines Download this article as a PDF (674 KB - 3 pages) Published by: The Public Health Agency of Canada Issue: Volume 42-12: Improving vaccination rates Date published: December 1, 2016 ISSN: 1481-8531…
NACI update on invasive meningococcal disease epidemiology and prevention Download this article as a PDF Published by: The Public Health Agency of Canada Issue: Volume 49-9, September 2023: Common Infectious Diseases Caused by Bacteria Date published: September 2023 ISSN:…
Archived - NACI Statement on Seasonal Influenza Vaccine for 2017–2018 Download this article as a PDF (1.5 MB - 8 pages) Published by: The Public Health Agency of Canada Issue: Volume 43-5: Implementation science Date published: May 4, 2017 ISSN: 1481-8531 Subscribe to CCDR Submit…
Canadian Immunization Guide Chapter on Influenza and Statement on Seasonal Influenza Vaccine for 2016-2017 IMPORTANT NOTICE: UPDATED RECOMMENDATIONS REGARDING LIVE ATTENUATED INFLUENZA VACCINE The National Advisory Committee on Immunization (NACI) has updated its recommendations…
Archived - NACI Summary Influenza 2019–2020 Download this article as a PDF Published by: The Public Health Agency of Canada Issue: Volume 45-6: Influenza: An update Date published: June 6, 2019 ISSN: 1481-8531 Subscribe to CCDR Submit your manuscript Information for authors About…
NACI recommendations on fractional influenza vaccine dosing Download this article as a PDF Published by: The Public Health Agency of Canada Issue: Volume 49-4, April 2023: Children's Health and COVID-19 Date published: April 2023 ISSN: 1481-8531 Subscribe to CCDR Information for…
Early release: coverage and features are still expanding.
