Coronavirus expert: Vaccines, antiviral treatments will be 'quite effective'

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Coronavirus expert and Professor of Microbiology and Immunology at the UNC Gillings School of Public Health, Ralph Baric, tells Ayman Mohyeldin he's "optimistic" about the various vaccines and antiviral treatments being explored to combat COVID-19. Baric says that although the treatments may not be "a complete home run" he has confidence in their effectiveness.