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Mutations May Cause Covid Surge If Vaccines Can't Stop Them | The 11th Hour | MSNBC
Virus Expert: We're At War With 'Dangerous' Covid Variants | The 11th Hour | MSNBC
CNNi: Covid-19 variant mutation could impact vaccine efficacy
Dr. Redlener: Tweaking Vaccines For New Covid Mutations Will Be A Major Problem | MTP Daily | MSNBC
Dr. John Torres Breaks Down Details On the Covid Variants | MSNBC
Sorkin Breaks Down Economic Impact If Businesses Require Vaccines
Mutation of Kent COVID-19 variant could evade immune system
Will vaccine be less effective against new Covid variants?
Scientists track genetic code of the U.K. coronavirus variant as mutation emerges
Dr. Jha: 'We're Not Going To Have A Major Fourth Surge' | MTP Daily | MSNBC
COVID-19 vaccines and new variants
Covid Vaccines May Need Tweaking for Variants, Experts Say
