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Immunization

Respiratory Syncytial Virus (RSV) Vaccine

What is RSV?

RSV is a common virus that affects the lungs and airways. It usually causes cold-like symptoms, but it can be more serious for:
  • Babies and young children
  •  Older adults 

In Canada, RSV season usually runs from November to April.

RSV Protection for Babies & High Risk Children (2026/2027 Season)

 

    Beyfortus®  (RSV antibody) is available for: 

    • All babies born on or after April 1, 2026, who are less than 8 months old during RSV season.
    • High-risk children under 2 years old, including those with: 
      • Chronic lung disease (like bronchopulmonary dysplasia)
      • Serious heart disease (requiring surgery, medication, or with pulmonary hypertension)
      • Severe immune system problems
      • Down syndrome/Trisomy 21
      • Cystic fibrosis with repeated lung infections or poor growth
      • Neuromuscular conditions or​ airway problems that make it hard to clear mucus

    How to get it:

    • Starting October 1st, 2026, parents will be offered Beyfortus® for their newborn shortly after birth in hospital before discharge or by their midwife.
    • Talk to your health care provider. If you don't have one, you can book through your local public health unit online.

    RSV Vaccine for Pregnant People

    Abrysvo™ is available for pregnant people (given at 28-36 weeks if delivery will be during RSV season).

    How to get it:

    Pregnant individuals should speak with their prenatal care provider.

    For more details, visit Ontario’s RSV vaccine information page.

    RSV Vaccine for Older Adults 

    • Free for everyone aged 75+
    • Free for adults 60–74 who are:
      • Living in long-term care, retirement homes, or similar settings
      • Staying in hospital for long-term care (including complex care or transitional programs)
      • On dialysis (hemodialysis or peritoneal)
      • Living with glomerulonephritis (GN) and have a weakened immune system
      • Organ or stem cell transplant recipients
      • Experiencing homelessness
      • First Nations, Inuit, or Métis

    If you already had the RSV vaccine, you don’t need another dose right now.

    How to get it:

    Not eligible for free coverage?

    • You can still get the RSV vaccine with a prescription from your doctor or nurse practitioner.  Some private insurance may cover the cost.

    For more details, visit Ontario’s RSV vaccine information page

    Page last updated: September 21, 2026