There's a preliminary report out of the Los Alamos National Laboratory about a mutation to SARS-CoV-2 that is more transmissible. The paper has not been peer reviewed yet, but it's still getting national attention. Dr. David Weiner, director of the Wistar Institute's Vaccine and Immunology Center joins KYW In Depth to break down what the study found, what it means, and what impact the mutations could have on vaccine development. See omnystudio.com/policies/listener for privacy information.

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