it's a large number of cases and it's a _ it's a large number of cases and it's a big — it's a large number of cases and it's a big problem.— it's a large number of cases and it's a big problem. here in the uk boris johnson _ it's a big problem. here in the uk boris johnson has _ it's a big problem. here in the uk boris johnson has said _ it's a big problem. here in the uk boris johnson has said the - borisjohnson has said the overwhelming evidence is that over is relatively mild. is that the evidence so far in united states as well? , , . ., , _, well? the best evidence does come from the uk — well? the best evidence does come from the uk and _ well? the best evidence does come from the uk and south _ well? the best evidence does come from the uk and south africa. - well? the best evidence does come from the uk and south africa. we l from the uk and south africa. we have _ from the uk and south africa. we have not— from the uk and south africa. we have not had the chance to build up an evidence — have not had the chance to build up an evidence base there. it looks like omicron is a little bit milder. it is true — like omicron is a little bit milder. it is true it— like omicron is a little bit milder. it is true it is— like omicron is a little bit milder. it is true it is milder if you have been _ it is true it is milder if you have been vaccinated and boosted. unfortunately too many people in the united _ unfortunately too many people in the united states have not been boosted and in _ united states have not been boosted and in fact _ united states have not been boosted and in fact too many have not been vaccinated~ — and in fact too many have not been vaccinated. so and in fact too many have not been vaccinated-— vaccinated. so we don't know in terms of hospitalisations - vaccinated. so we don't know in terms of hospitalisations and i vaccinated. so we don't know in - terms of hospitalisations and deaths what it is going to do in the united states given that as you say quite a large number of the population are still not vaccinated. it’s large number of the population are still not vaccinated.— still not vaccinated. it's certainly exected still not vaccinated. it's certainly exneeted to _ still not vaccinated. it's certainly exneeted to be _ still not vaccinated. it's certainly expected to be quite _ still not vaccinated. it's certainly expected to be quite bad. - still not vaccinated. it's certainly expected to be quite bad. some| expected to be quite bad. some colleagues and i put together an attempt — colleagues and i put together an attempt to predict exactly what the strain _ attempt to predict exactly what the strain on— attempt to predict exactly what the strain on healthcare is going to be because _ strain on healthcare is going to be because you have to remember that health— because you have to remember that health care — because you have to remember that