Janet Iwasa joins TWiV to recount how she became a molecular animator, including a pivot during her Ph.D. thesis research, the value of animations in science, and their latest animation of SARS-CoV-2 entry into cells.

Paul Offit joins TWiV to discuss all things vaccine, including how COVID-19 vaccine development was accelerated, whether the vaccines are safe and efficacious, the difference between an EUA and a licensed vaccine, sterilizing immunity, herd immunity, and much more.

In COVID-19 clinical update #49, Daniel Griffin discusses CDC guidelines on mask use, drop in test frequency in the US, resurgence of COVID-19 in Brazil, possible impact of Pfizer vaccine on viral load, EUA for bamlanivimab and etesevimab administered together, and preliminary results of Tocilizumab in hospitalized patients.

Theodora and Paul return to TWiV to explain how they quickly pivoted their retrovirus laboratories towards SARS-CoV-2, their work on the antibody response to infection and its durability, and the emergence of variants with increased resistance to neutralization.

In COVID-19 clinical update #48, Daniel Griffin reviews effect of spike amino acid changes on neutralization with monoclonal antibodies, Sputnik V safety and efficacy results, increased reactogenicity after a single vaccine dose in seropositive individuals, single dose vaccination in seropositive health care workers, and results of three clinical trials on the use of anticoagulants.