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How virus detectives trace the origins of an outbreak – and why it's so tricky

  • Written by Marilyn J. Roossinck, Professor of Plant Pathology and Environmental Microbiology, Penn State
How virus detectives trace the origins of an outbreak – and why it's so trickyThe prevention of future pandemics requires examining viral family trees.Stockcrafter/iStock via Getty Images Plus

Every time there is a major disease outbreak, one of the first questions scientists and the public ask is: “Where did this come from?”

In order to predict and prevent future pandemics like COVID-19, researchers need to find...

Read more: How virus detectives trace the origins of an outbreak – and why it's so tricky

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Metropolitan republishes selected articles from The Conversation USA with permission

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