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Biosecurity warning signs are seen on a locked gate at a commercial poultry farm in Abbotsford, B.C., in November 2024. THE CANADIAN PRESS/Darryl Dyck

How does a bird virus infect a person? Surprising findings from B.C.’s human case of H5N1 avian flu

The human avian flu case in B.C. demonstrates there is much to learn about the complex factors that may result in a virus developing the ability to infect humans.
Genuine autonomy depends on the information we are exposed to and have access to, and that helps shape our beliefs. (Unsplash/Getty Images)

Vaccine mis‑ and disinformation isn’t just a threat to public health, but also to our autonomy

When we are mis- or disinformed, it is difficult to act with autonomy. We may make decisions that do not align with our beliefs, even when we seem to be acting voluntarily.
Canadian fans gather at Jack Poole Plaza in Vancouver on July 4, 2026, to watch Canada play Morocco during a World Cup round of 16 soccer match. THE CANADIAN PRESS/Ethan Cairns

How Canada’s vaccine infrastructure helped guard against infectious disease during the FIFA World Cup

The World Cup brought many visitors to Canada, which put public health authorities on alert for contagious illnesses. It’s crucial that Canada remain committed to infectious disease preparedness.
Passengers are sprayed with disinfectant by Spanish government officials before boarding a plane after disembarking from the hantavirus-stricken cruise ship MV Hondius at Tenerife airport in the Canary Islands, Spain, Sunday, May 10, 2026. (AP Photo/Arturo Rodriguez)

Planes, trains and pandemics: Lessons from COVID‑19 about travel risks posed by hantavirus and Ebola

Recent outbreaks of Hantavirus and Ebolavirus raise concerns about risks linked to travel, with responses varying between countries. COVID-19 offers lessons for effective approaches to public health.
Respiratory syncytial virus (RSV) causes lung infections in children under two years of age and is the leading reason for hospital stays in children under a year old in developed countries. But access to RSV vaccines in Canada is spotty. THE CANADIAN PRESS/Adrian Wyld

Why postal codes shouldn’t determine RSV protection in Canada

New RSV tools can prevent infant hospitalizations, but access varies by province. Who is responsible for ensuring vaccine equity across Canada?
Scientists can now synthesize mRNA in the lab and package it in lipid nanoparticles that deliver the synthetic mRNA to cells. This gives the cell the instructions to become its own pharmacy. (Unsplash+/Getty Images)

How nanomedicine gets inside your cells and treats you from the inside out

Nanomedicine prompts RNA to make protein-based drugs to treat diseases. Now we can fine-tune protein production by dialling it up or down, creating personalized medicine on an invisible scale.
Scientific evidence shows that vaccines help rather than hinder our immune systems. (Mufid Majnun/Unsplash)

How vaccines give our immune systems a home advantage

The key players of our immune system aren’t well understood. Here’s how vaccines give our immune players a home advantage to fight infection.
Ethics Bowl competitors win by engaging constructively, responding positively to reasonable criticism and refining or amending their views. (Jeffrey Senese)

More dialogue, less debate: At an ‘Ethics Bowl,’ students learn to handle tough conversations

Ethics Bowl Canada hosts competitions where students, including science graduate students, explore complex ethical issues, like vaccines, through respectful dialogue in teams.
Healthcare workers watch from a window as demonstrators gather outside Toronto General Hospital, on Sept. 13, 2021, to protest against COVID-19 vaccines, COVID-19 vaccine passports and COVID-19 related restrictions. THE CANADIAN PRESS/Chris Young

Online harassment is silencing Canada’s health experts — institutions need to do more to protect them

If Canada wants to get ahead of the next health crisis, it needs to shield its scientists and researchers from online abuse.
Canada once boasted world-class biomanufacturing capacity, particularly in vaccine production. A dose of the measles, mumps and rubella (MMR) vaccination awaits the next patient during a vaccine clinic at Southwestern Public Health in St. Thomas, Ont., on March 2025. THE CANADIAN PRESS/Geoff Robins

Why Canada’s next big infrastructure investment should be in biomanufacturing

As Canada faces renewed trade tensions with the United States, investing in domestic biomanufacturing could strengthen both national security and economic independence.
A child receives a drop of vaccine from a medical worker during a polio immunization campaign at a school in Denpasar, Bali, Indonesia in July 2024. (AP Photo/Firdia Lisnawati)

It’s World Immunization Week. How prepared is Canada if vaccines are needed for a new pandemic?

Vaccines have saved more than 154 million lives worldwide over the past 50 years. World Immunization Week is a timely reminder of important ongoing work on vaccines in Canada.

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