TWiV 777: SARS-CoV-2 fitness with Ron Fouchier
Ron Fouchier explains why increased transmission of SARS-CoV-2-variants has not been demonstrated, and their ability to displace ancestral variants is due to greater fitness, much like influenza virus antigenic variation leads to better fitness and replacement of previously circulating variants.
Hosts:\xa0Vincent Racaniello, Kathy Spindler, and Brianne Barker
Guest: Ron Fouchier
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Links for this episode- Ron Fouchier on TWiV 177, 291, 557
- Mutations driving H5N1 airborne transmission in ferrets (Cell)
- SARS-CoV and SARS-CoV-2 transmission among ferrets (Nat Comm)
- Avian influenza virus transmission among seals (Cell Host Micr)
- Timestamps by Jolene. Thanks!
Brianne \u2013 The Science News Cycle
Kathy \u2013 mRNA Day Kariko & Weissman lectures and Q&A
Vincent \u2013 Just Planes
Intro music is by\xa0Ronald Jenkees
Send your virology questions and comments to twiv@microbe.tv