I’m a virologist who studies human adenoviruses, some of which cause potentially life-threatening respiratory infections. I also teach in the Department of Molecular Genetics at the University of Toronto.

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In the beginning, the Zika virus didn’t seem like the next big news story. But time revealed just how dangerous the Zika virus can be.

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Viruses just don’t meet the requirements to be included in the Tree of Life. And although they have several ideas, scientists aren’t sure where viruses come from.

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HIV is a retrovirus that causes AIDS. But where did it come from, and how did it spread?

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The latest clinical trials for poop pills that can fight a gut infection failed. But that's no reason to flush this research down the toilet. (3:29 min.)

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CurioCity resources which align with British Columbia's Life Sciences 11 Curriculum Content area on the Characteristics of Living Things.

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Do you live in close contact with animals, including pets, livestock, and wildlife? If yes, you’re at risk of catching zoonotic diseases like rabies.

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The Zika virus is spread by mosquitoes. It has also been linked to birth defects, especially microcephaly. But how do you get from a mosquito bite to microcephaly?

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Anthrax is one of the most common weapons used in biological attacks. Anthrax spores can be transported and spread under conditions that would kill other biological agents.

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Babies born by Cesarean section miss out on good bacteria that vaginally-delivered babies get from their mothers. This can have long-term consequences on health, including on the development of allergies and asthma.

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