let's go to laura koontz burke at the bbc.e plans treated drop these plants a few days ago but on wednesday you said it would be inhuman to change the plans. i know that's exactly what you've done. are the millions of people whose plants are just been torn up entitled to feel that you just left this too late and you have caused them more personal disruption and upset by doing so is back and can ask the medics who have shared the analysis of this new variant, you mentioned that porch and down have been looking at this in the earlier press conference this week, can you say of porton down have completed their assessments of it, and professor whitty, if someone is packing a bag right now listening to her watching the stranger leave the southeast by midnight tonight, what should they do? to be forcible just that everybody who has made plans for christmas as i said earlier on, eve ryo ne for christmas as i said earlier on, everyone thus thought about it or the care and love that's going to plans for christmas, we of course bitterly