On this episode, broadening of immune responses to SARS-CoV-2 after mRNA vaccine booster to ChAdOx1 nCoV-19, five-fold underestimation of the number of cases in the US during the first six months of the pandemic, and a monoclonal antibody that broadly neutralizes many different sarbecoviruses.

Brianne and Vincent tackle two studies that utilize infectious viruses to examine zoonotic potential of Bombali virus, a new ebolavirus from an insectivorous species in Sierra Leone, and a human mumps-like virus from an African flying fox in DRC.