Tag Archives: Viruses

How flu changes within the human body may hint at future global trends

What can a single person’s flu infection tell you about how the virus changes around the world? Xue and Bloom, CC BY-SA

What can a single person’s flu infection tell you about how the virus changes around the world? Xue and Bloom, CC BY-SA Katherine Xue, University of Washington and Jesse Bloom, University of Washington Evolution is usually very slow, a process of change that takes thousands or millions of years to see. But for influenza, evolution is fast – and deadly. …

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What’s the difference between pandemic, epidemic and outbreak?

It’s a matter of scale. Edward A. "Doc" Rogers/Library of Congress via AP

It’s a matter of scale. Edward A. “Doc” Rogers/Library of Congress via AP Rebecca S.B. Fischer, Texas A&M University The World Health Organization has declared COVID-19 a pandemic. This is a landmark event. As an epidemiologist listening to the steady stream of conversation around the coronavirus, I’m hearing newscasters and neighbors alike mixing up three important words my colleagues and …

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