Virologist: Good Testing Key To Coronavirus Containment | Rachel Maddow | MSNBC

Christopher Mores, public health professor at George Washington University, talks with Rachel Maddow about the importance of reliable testing of coronavirus to understand and control its spread. Aired on 02/26/20. » Subscribe to MSNBC: http://on.msnbc.com/SubscribeTomsnbc

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Virologist: Good Testing Key To Coronavirus Containment | Rachel Maddow | MSNBC