welcomed by the prime minister, naftali bennett. he had previously said he was impatient for the green light to be given for this. he described it has wonderful news and immediately started preparations for that fourth shot to be given to those people. there is still a bit of rubber stamping to do by the health ministry, but it looks like it will go ahead. now, the issue here, as you say, is very much about data. what is the data behind this? we simply don't know, because the expert committee have not published the evidential basis for all of this. and one of the experts involved in the decision was on the radio in israel saying that they simply do not have the information, they don't have the numbers yet for whether or not immunity wanes after the third vaccine, and if it does, how long it takes, and by how much. she described that has quite a complex decision, and said, nevertheless, when you look at the way that omicron is spreading, its infectiousness elsewhere in the world, she described that as