the holidays? >> first of all, thanks for having me. happy thanksgiving, merry christmas. happy holidays to all. two things that are positive about this story. first, we were made aware of it quickly. it seems like the who and others are moving quickly not only to name this but to give some sense of how this variant can be. the second thing, 25% of south africans are vaccinated. less than 60% of americans are, 192 million, 193 million of us. we're seeing this is global. if we're going to fight it and overcome it, we need to find out more robust ways to figure out how ere citizen has the opportunity to take the vaccine. the new variants, the powerful ones, are able to transmit in populations where people are not vaccinated. there's no guarantee you won't get the virus if you're vaccinated but a higher likelihood that you won't be