Immunization
The PIQ Principales modifications page of 24 Sep 2026 is a change list since the regular calendar of 30 Jun 2026. Products, doses, and full indications stay in the named PIQ chapters — open those.
Screening
- PIQ Protocole d'immunisation du Québec (MSSS)
| Decision | Guideline |
|---|---|
| Calendar | Use PIQ, not NACI. |
| Pregnancy | dcaT every pregnancy, prefer 26-32 w |
| Age 50 | dT (no booster if dose from age 40) |
| Age 65 | Pneu-C-21 + influenza annually |
| Age 71 | Zona-SU |
Treat
Open the named PIQ chapter for products and doses. There is no posology grid here. For influenza, COVID-19, and Vaccinologie pratique, open the vaccine list or the PIQ hub, then the named chapter.
- PIQ Protocole d'immunisation du Québec (MSSS)
| Decision | Guideline |
|---|---|
| Calendar | |
| Footer | Regular calendar table unchanged.
Footer still 30 Jun 2026 as of 5 Oct 2026. PIQ regular calendar opens in a new tabPIQ 24 Sep 2026 opens in a new tab |
| Change list | The 24 Sep 2026 page is a change list, not chapter text.
Open the named PIQ chapter before vaccinating. PIQ 24 Sep 2026 opens in a new tabPIQ hub opens in a new tab |
| Influenza 2026-2027 | |
| Injectable | Inf injectable updated for 2026-2027 products.Open the PIQ influenza chapter. PIQ 24 Sep 2026 opens in a new tabPIQ vaccine list opens in a new tab |
| Free program | Free high-risk program: add residents of any age of RPAs or other collective settings with a high proportion of vulnerable older people. |
| Removed | Prolonged ASA in children indication removed.Free offer for people not in free-program groups removed. |
| Age 75 | Fluad or Fluzone offered at age 75+ regardless of chronic disease.Influvac licensed from 6 months. PIQ 24 Sep 2026 opens in a new tabPIQ vaccine list opens in a new tab |
| Intranasal | Inf intranasal: FluMist not available for the public program this year (free indications become recommendations).
Prefer injectable influenza if the person takes an ASA-containing drug.
ASA under-18 contraindication and the 6-week post-vaccination ASA precaution are removed (CIQ). PIQ 24 Sep 2026 opens in a new tabPIQ vaccine list opens in a new tab |
| RSV | |
| mRESVIA | New mRNA RSV vaccine mRESVIA added throughout.
Open the PIQ VRS chapter. PIQ 24 Sep 2026 opens in a new tabPIQ VRS opens in a new tab |
| Free indication | New free indication: adults with HSCT or CAR-T in the prior 2 years, or lung transplant, or in anticipation. PIQ 24 Sep 2026 opens in a new tabPIQ VRS opens in a new tab |
| Federal pilot | Temporary federal pilot: mRESVIA free for some people aged 75+.
Open PIQ. PIQ 24 Sep 2026 opens in a new tabPIQ VRS opens in a new tab |
| Schedule | Single administration schedule.RSV revaccination in subsequent pregnancies: open the chapter for intervals. PIQ 24 Sep 2026 opens in a new tabPIQ VRS opens in a new tab |
| Ac-VRS | Ac-VRS: birth <32 weeks gestation added to RSV vulnerability conditions. PIQ 24 Sep 2026 opens in a new tabPIQ VRS opens in a new tab |
| COVID-19 | |
| Chapter | Single COVID-19 chapter (mRNA and adjuvanted recombinant protein).
COVID-PRA archived.
Updated for 2026-2027 products and fall 2026 indications. PIQ 24 Sep 2026 opens in a new tabPIQ vaccine list opens in a new tab |
| 90 days | The 90-day interval after COVID monoclonal antibodies or convalescent plasma, before COVID vaccine, is removed. |
| Minimum age | Adjuvanted recombinant protein COVID vaccine: minimum age 12 years. PIQ 24 Sep 2026 opens in a new tabPIQ vaccine list opens in a new tab |
| Immunosuppression | |
| Corticosteroid | Immunosuppressive corticosteroid dose: prednisone ≥20 mg/day or equivalent. |
| CAR-T | New CAR-T section.
New delay table after immunosuppressives.
New live-attenuated situations table.
Open Vaccinologie pratique. PIQ 24 Sep 2026 opens in a new tabPIQ hub opens in a new tab |
| Solid organ | Solid organ transplant: COVID-19 and influenza from 1 month after transplant in an epidemic period. |
| HIV | HIV: BCG remains contraindicated. |
| Other | |
| Varicella | Adults 18+: the varicella adequacy criterion is modified.
Open the adults 18+ page. PIQ adults 18+ opens in a new tabPIQ 24 Sep 2026 opens in a new tab |
| Other vaccines | Other recommended vaccines:
RSV for some transplants;
CAR-T as an immunosuppression condition;
meningococcal vaccine after HSCT;
prolonged ASA removed as a condition that triggers a vaccine.
HB: CAR-T added.
Rabies: INSPQ map link on the live page;
immunosuppression note if re-exposure is <3 months after a complete post-exposure series. PIQ 24 Sep 2026 opens in a new tabPIQ vaccine list opens in a new tab |
Reviewed 5 October 2026 against the official sources below.
Sources
Blue square: Québec. The code names the body; each section's key gives its full name.