COVID-19 By The Numbers, 1918 Flu. May 1, 2020, Part 1

Navigating COVID-19 By The Numbers Ever since the first news about a new virus in China, we’ve been seeing projections, or models predicting how it might spread. But how are those models created? There’s a lot of math that goes into understanding what might come next. Ira turns to a group of scientists who make their living in crunching the numbers—the people who make mathematical models to approximate different scenarios, trying to minimize loss of life. Sarah Cobey from the University of Chicago and Jeffrey Shaman from Columbia University share their work on the past, present and future of coronavirus spread, and explain how to understand the many models all trying to bring clarity to this very difficult pandemic. A Pandemic Precedent—Set in 1918 In the spring of 1918, a new and virulent flu strain was documented at a military base in Kansas. Within weeks it had been observed in Queens, New York—and soon, spread all over the globe. By the time the flu petered out a year later, the world had suffered three distinct waves, killing somewhere between 17 and 50 million people, and heaping a fresh disaster atop the losses of World War I.  How well does the present resemble history—and are we at risk of repeating the staggering toll of the 1918 flu? Historian Catharine Arnold talks to Ira about stories from the past, and the events and choices that drove additional waves of infection and death. Plus, Science Diction host Johanna Mayer on why the 1918 flu wasn’t really ‘Spanish’ at all. Look through images taken during the 1918 flu, from the U.S. National Archives, in a gallery article. Strokes In COVID-19 Patients, Plus Trauma In Healthcare Workers This week, a group of researchers observed five younger patients under the age of fifty that suffered from strokes. These patients either were asymptomatic or had mild symptoms. Their results were published online in a letter in the New England Journal of Medicine. Reporter Sophie Bushwick talks about this story, plus the trauma that frontline healthcare workers face during the pandemic, and other new research from the week. Erosion Threatens A Unique Ecosystem Indiana’s Lake Michigan shoreline is one of the most biodiverse places in the country. But that biodiversity is now washing away. Rebecca Thiele, energy and environment reporter at Indiana Public Broadcasting, unpacks the story.  Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.

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