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The geopolitics of science and technology: GZERO's news coverage and analysis of how scientific and tech developments impact the world's economy and society.

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Ask an epidemiologist: Harvard's Marc Lipsitch answers your COVID questions play icon

Ask an epidemiologist: Harvard's Marc Lipsitch answers your COVID questions

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Do masks really protect us? Are children less vulnerable to COVID-19? And why do scientists hope you avoid indoor bars? This week, GZERO World is taking all of our burning questions about the latest in the pandemic to a Harvard epidemiologist. Marc Lipsitch is a Professor in the Department of Epidemiology at the Harvard T.H. Chan School of Public Health and the Director of the Center for Communicable Disease Dynamics. So, he knows his stuff!

contact tracing coronavirus covid-19 epidemiologist face masks florida record harvard herd immunity ian bremmer lockdown marc lipsitch masks meatpacking plants outbreaks pandemic public health social distancing treatment vaccine video viral spread

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GZERO Series

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GZERO World with Ian Bremmer
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ask ian
America's 250th birthday

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Ian Explains
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