i'm more impressed by tom bartels clear explanation or your ability to remember every single moment of head now. thank you very much, lucy. jack, we‘ve got the china vaccination and russian vaccination program, as well. do we have any idea about how effective they have been? that they‘ve been rolled out in the last six weeks or so rolled out in the last six weeks or so haven‘t they? rolled out in the last six weeks or so haven't they? it's a lot less clear because of course, the data, transparency in those countries is not always the best. pfizer haven't yet come forward there died either although i know they're going to in the days ahead in their whole protocols that these big companies use protocols that these big companies use that they will obviously follow in this case. i don't think many people are optimistic particularly about the russian vaccine. there is certainly a sense that might be more ofa certainly a sense that might be more of a propaganda thing more than anything else was out the truth is we know. president president put his daughter was involved in it a p pa re ntly d