sharfstein: those are the big three.he number of overall cases is the leading indicator for hospitalizations and deaths. personally, if your people, few people can get more intensive care, different treatments and hopefully more treatments coming. but our goal should be to prevent as many infections and hospitalizations and deaths as we can. we should be looking at all three i think. matt: when you look at our map of the u.s., are there places do you think are vulnerable to a u.k.-type resurgence? we have the coast vaccinated, but the middle baby a problem. --. . maybe a problem dr. sharfstein: i was in the south and there's not a lot of mass going but i know the state several totally low vaccination rates. that combination of low mask-wearing, low vaccination rates, and people thinking the pandemic is over, was overblown or something like that, is a dangerous combination. we know the delta variant is going to be spreading pretty soon. tom: late in the padres game yesterday consistence and 90 red, myers of san diego hit

sharfstein. from new york city, good morning. morning price action as follows, s&p 500 4214. yields come again, couple basis points. dollar strength. euro-dollar coming down. tom: important conversation. maybe have update with your travels over the last three weeks, there is a lot of effort to open up economies -- i believe in italy, making an effort to open up and two days ago, john murdoch said, wait come italy is one of the biggest headaches. i am lost. so are you. let's get martyr. -- let's get smarter. doctor, which is it right now? is it economies and societies open up or because of the indian delta variant they cannot? >> it depends on the state vaccination in your country. if you are highly vaccinated like the u.s. where your high-risk population, the majority of which is vaccinated, the delta very will cause problems but not put you into crisis. if you are a country where there's not enough of the elderly population vaccinated, the delta variant could put your hospitals back to the very beginning of this pandemic. that i

emily: joshua sharfstein, johns hopkins bloomberg school of public health vice dean talking about therevalence of the covid-19 delta variant. the johns hopkins school of public health is of course supported by michael bloomberg, the founder of bloomberg lp and bloomberg philanthropy. although the u.s. reports that 150 million americans have been fully vaccinated, there is still concern about the spread of that delta variant. warning of the possibility of a fourth wave. joining us, okta cofounder and ceo todd mckinnon. you come at this from the security perspective. if we were to do this, how would we make vaccine passports happen? i feel like we have to talk about the politics of it from the start. president biden saying they will not be a national plan for vaccine passports but other countries are doing it. is biden going the wrong way on this? todd: okta, we have 10,000 customers and week help our customers connect their technology, their apps and services, with their customers. we know what it takes to integrate things that are online together. with the vaccine, we know that gettin

tom: that's joshua sharfstein there. the many comets worldwide and across america on our coverage of the digital outage. we have tried to coalesce all of the different flows. i guess it is good news that weird down on spx. we come back to a slight green on the screen. could we say crisis over? [laughter] lisa: it seems to be with the markets are saying and the intermediary, fastly, saying it has been fixed -- fixed. lisa: a lifetime buying opportunity, evidently is what we are saying. tom: that is what we are seeing on the different sites coming back on. we will continue to cover this with a bit of digital sobriety. right now, matt miller, lisa abramowicz, tom keene. amos should all judge of drums -- amesh adolja. what i see is a fear of the variance, but in every conversation, the variant is in australia, the variant is in some selected part of africa so is the dreaded variant in america? >> there are multiple variance's and -- variants circulating in the united states, but what makes a difference whether it is here, af