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The Canadian Immunization Guide (CIG) now includes updated vaccine recommendations for Hepatitis A, Human Papillomavirus (HPV), influenza, and pneumococcal disease. These changes reflect new guidance from the National Advisory Committee on Immunization (NACI).

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Area of Science:

  • Public Health
  • Immunology
  • Vaccinology

Background:

  • The Canadian Immunization Guide (CIG) is a key resource for immunization information.
  • It is regularly updated based on recommendations from advisory bodies like the National Advisory Committee on Immunization (NACI).
  • Recent updates incorporate new NACI statements published between April 2015 and October 2016.

Purpose of the Study:

  • To highlight key changes in active vaccine recommendations within the CIG.
  • To inform healthcare providers and policymakers about updated immunization guidelines.
  • To provide accessible information on recent vaccine advancements.

Main Methods:

  • Review of new NACI statements published between April 2015 and October 2016.
  • Analysis of changes to the Canadian Immunization Guide (CIG) based on these statements.
  • Summarization of key updates for specific vaccines.

Main Results:

  • Hepatitis A (HA) vaccine recommendations expanded to include individuals six months and older, and those receiving clotting factor replacement; new post-exposure prophylaxis guidelines are in place.
  • Human Papillomavirus (HPV) vaccine recommendations allow the use of any authorized HPV vaccine, including HPV9, per schedule.
  • Influenza vaccine updates include expanded recommendations for adults with neurological conditions, approval of high-dose vaccine for adults ≥65, and a change in recommendation for live attenuated influenza vaccine (LAIV) in children.
  • Pneumococcal conjugate 13-valent (PNEU-C-13) vaccine may be recommended for immunocompetent adults aged 65+ if previously unimmunized, preceding PNEU-P-23 vaccine.
  • Varicella immune globulin administration window extended up to 10 days post-exposure for disease attenuation, with minor revisions to immunity assessment criteria.

Conclusions:

  • The CIG has been updated to reflect significant changes in vaccine recommendations.
  • These updates cover Hepatitis A, HPV, influenza, pneumococcal, and varicella vaccines.
  • The revised CIG provides current guidance for healthcare providers and the public on immunization practices.