All infants should be vaccinated against hep B, says Canadian vaccine advisory committee

The National Advisory Committee on Immunization now recommends that all Canadian infants receive vaccination against hepatitis B, a virus that infects the liver and has a high likelihood of becoming chronic in young children, especially infants under one year old.

Infants can receive shot within first 24 hours of birth or at first routine appointment

The Canadian Press · for CBC News

· Posted: Nov 06, 2026 1:53 PM EST | Last Updated: 11 minutes ago

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The National Advisory Committee on Immunization now recommends that all infants receive vaccination against hepatitis B.

The expert committee says infants can receive the shot within the first 24 hours of birth or at their first routine childhood immunization appointment at two months of age.

Babies in Canada get their tetanus, diphtheria, pertussis — also known as whooping cough — and polio vaccinations at that visit.

Hepatitis B is a virus that infects the liver and has a high likelihood of becoming chronic in young children, especially infants under one year old.

Several provinces, including B.C., Alberta, Quebec, New Brunswick, Prince Edward Island and all three territories, already give hepatitis B vaccinations in infancy.

Saskatchewan, Manitoba, Ontario, Nova Scotia and Newfoundland-Labrador don’t vaccinate against the virus until grades 6 or 7.

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NACIS says the prevalence of hepatitis B in Canada is low, estimated to be below two per cent overall. The rates are higher among certain vulnerable populations, including those born outside of Canada, in regions where hepatitis B is endemic.

Pregnant women are screened for the infection, but health providers note gaps in care exist.

LISTEN | When should Canadians be vaccinated against hepatitis B?:

The Dose24:31When should infants (and other people) get vaccinated for hepatitis B?

A U.S. federal vaccine advisory panel has voted to drop its long-standing recommendation for universal hepatitis B vaccination at birth. In Canada, most infants don’t receive the vaccine until two months of age, with some exceptions. It can all be a bit confusing. So Dr. Lynora Saxinger, an infectious diseases specialist at the University of Alberta Hospital, explains what Canadians should know about when to get vaccinated for hepatitis B. For transcripts of The Dose, please visit: lnk.to/dose-transcripts [https://www.cbc.ca/radio/podcastnews/the-dose-transcripts-listen-1.6732281]. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link. [https://podcasts.apple.com/us/podcast/the-dose/id1498259551]

Virus spreads through blood, bodily fluids

Hepatitis B is spread through blood and bodily fluids. According to the HIV and hepatitis information platform CATIE, which is supported by the Public Health Agency of Canada, the virus can be acquired during or after childbirth and through contact with items that may contain traces of blood, such as nail clippers.

It is not spread by casual contact, such as through hugging, kissing, touching or sharing utensils with someone who is infected.

NACI says a vaccination strategy that provides protection in early life "is expected to promote health equity by ensuring that all children are protected during the period of greatest vulnerability to chronic infection."

• THE DOSE | When should infants (and others) get vaccinated for hepatitis B?

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"It will take time for jurisdictions to transition towards optimal programs to offer immunization to all infants," the NACI guidance says, noting that it consulted with the provinces to determine the feasibility of changing to a new, uniform schedule.

"Continuing to offer vaccine to older children during the transition will ensure continued protection, and all of the Canadian HB (hepatitis B) vaccine programs have been shown to reduce disease since they were first introduced."

Untreated chronic hepatitis B can lead to cirrhosis or liver cancer, according to the Public Health Agency of Canada.