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John Gerrard says a developed city like Sydney could not cope with an epidemic of the scale of the recent Ebola outbreak. UNMEER/Martine Perret/Flickr

Speaking with: John Gerrard on preventing infectious diseases

Speaking with: Dr. John Gerrard on infectious diseases The Conversation, CC BY-ND23.2 MB (download)
William Isdale speaks to Dr. John Gerrard about the constant threat of infectious diseases and what we can do to prevent a deadly pandemic from establishing itself in Australia.
bikeriderlondon/Shutterstock.com

Do CT scans really cause cancer?

CT scans deliver a hefty dose of ionising radiation. But the benefits outweigh the risks – most of the time.

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