
The Science Behind the Spread of COVID-19
Clip: 10/2/2020 | 2m 52sVideo has Closed Captions
Sociologist and journalist Zeynep Tufekci explains how COVID-19 spreads.
When it comes to understanding how coronavirus spreads, most of us have heard about the R number – the average reproduction number of people infected by one other person. But Zeynep Tufekci says it’s more telling to look at a different letter: K. It’s the subject of her latest prescient article in The Atlantic, and she joins Christiane to explain.
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Problems playing video? | Closed Captioning Feedback

The Science Behind the Spread of COVID-19
Clip: 10/2/2020 | 2m 52sVideo has Closed Captions
When it comes to understanding how coronavirus spreads, most of us have heard about the R number – the average reproduction number of people infected by one other person. But Zeynep Tufekci says it’s more telling to look at a different letter: K. It’s the subject of her latest prescient article in The Atlantic, and she joins Christiane to explain.
Problems playing video? | Closed Captioning Feedback
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PBS and WNET, in collaboration with CNN, launched Amanpour and Company in September 2018. The series features wide-ranging, in-depth conversations with global thought leaders and cultural influencers on issues impacting the world each day, from politics, business, technology and arts, to science and sports.Providing Support for PBS.org
Learn Moreabout PBS online sponsorshipComparing Pres. Trump's COVID Diagnosis to Boris Johnson's
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Clip: 10/2/2020 | 2m 45s | Mark Landler of The New York Times discusses President Trump's COVID-19 diagnosis. (2m 45s)
How Putin Rigorously Protects Himself From COVID-19
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Clip: 10/2/2020 | 2m 59s | CNN correspondent Matthew Chance gives a report from Moscow. (2m 59s)
The Medical Risks of Pres. Trump's COVID-19 Diagnosis
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Clip: 10/2/2020 | 2m 54s | Former Deputy U.S. Surgeon General Boris Lushniak joins the program. (2m 54s)
What Will Happen if COVID Takes Pres. Trump Out of Action?
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Clip: 10/2/2020 | 2m 54s | Ryan Lizza and Deborah Pearlstein discuss President Trump's positive COVID-19 diagnosis. (2m 54s)
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