i — during the course of middle to late februa ? ~' ., during the course of middle to late februa ?before, of course, the change of strategy on the - middle. but well before, of course, the change of strategy on the 13th i the change of strategy on the 13th of march, — the change of strategy on the 13th of march, about which, to which we will come — of march, about which, to which we will come. , of march, about which, to which we will come- it _ of march, about which, to which we will come. yes. it was understood that there — will come. yes. it was understood that there was _ will come. fies it was understood that there was sustained transmission, and if the virus got a grip. _ transmission, and if the virus got a grip, got— transmission, and if the virus got a grip, got ahold in the united kingdom, there was no effective means— kingdom, there was no effective means of— kingdom, there was no effective means of containing it thereafter. there _ means of containing it thereafter. there were — means of containing it thereafter. there were means to mitigate, and the plan through late fe