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Think like a virus to understand why the pandemic isn't over yet – and what the US needs to do to help other countries

  • Written by Karen Levy, Associate Professor of Environmental & Occupational Health Sciences, University of Washington
Think like a virus to understand why the pandemic isn't over yet – and what the US needs to do to help other countriesTo stop the spread of COVID-19 across the globe, it's important to understand the evolutionary imperative that viruses have to spread their genetic material.Dazeley/Getty Images

Kill every human on the planet.

This is the first assignment I give students in my public health classes, filled with do-gooders passionate about saving the world. Their...

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