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Museum specimens are like time capsules from where and when the organisms and their pathogens lived. Ed Maker/The Denver Post via Getty Images

Leprosy-causing bacteria found in armadillo specimens highlight value of museum collections for tracking pathogens

Museum archives hold biological specimens that have been collected over years or even decades. Modern molecular analysis of these collections can reveal information about pathogens and their spread.
Countries around the world were not prepared to respond to COVID-19. Andrew Wasike Shimanyula/Anadolu Agency via Getty Images

Predicting epidemics isn’t easy. We’ve created a global dataset to help

A new global dataset shows there is no clear global increase of infectious disease outbreaks over time. And it can suggest which countries would most likely be affected by an outbreak.
COVID-19 is still with us, and is still causing serious illness and death. However, it is disproportionately affecting older people. THE CANADIAN PRESS/Chris Young

Ageism and the pandemic: How Canada continues to let older adults suffer and die from COVID-19

COVID-19 is the third-leading cause of death in Canada, but it’s older people who are dying. That we accept this and carry on as if the pandemic is over reveals our ageism: We don’t value older people.
Avian influenza (‘bird flu’) is a highly transmissible and usually mild disease that affects wild birds such as geese, swans, seagulls, shorebirds, and also domestic birds such as chickens and turkeys. (CDC and NIAID)

Bird flu FAQ: What is avian influenza? How is it transmitted to humans? What are the symptoms? Are there effective treatments and vaccines? Will H5N1 become the next viral pandemic?

Avian influenza — commonly known as ‘bird flu’ — is infecting domestic and wild birds in Canada and around the world.
Wild birds like pelicans and ducks are getting infected with – and dying from – a new strain of avian influenza and have spread it to farm animals around the world. Klebher Vasquez/Anadolu Agency via Getty Images

What is spillover? Bird flu outbreak underscores need for early detection to prevent the next big pandemic

A biologist who studies how viruses spread from animals to people explains the process of spillover and the risks posed by the new bird flu that has spread across the globe.

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