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

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

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!

Ambassador Shea on AI risks, US-China ties and Lebanon
UN General Assembly

Ambassador Shea on AI risks, US-China ties and Lebanon

On the sidelines of the 81st UN General Assembly in New York at GZERO and Microsoft's innagural Global Stage Cafe, Ambassador Dorothy Shea, who previously served as US chargé d'affaires and acting representative to the United Nations, sits down with Tony Maciulis to unpack the debate over AI regulation, US-China relations and Lebanon's security future.