Confident protection lasts. we are very confident about six months in terms of protection, but as chris and i have of protection, but as chris and i have discussed before, one of the reasons have discussed before, one of the reasons why the second dose of the vaccine reasons why the second dose of the vaccine is reasons why the second dose of the vaccine is so reasons why the second dose of the vaccine is so important, we have got two thirds vaccine is so important, we have got two thirds of vaccine is so important, we have got two thirds of people who have had one dose. two thirds of people who have had one dose, in fact over that, seven in ten. one dose, in fact over that, seven in ten, but one dose, in fact over that, seven in ten, butjust over four in ten about in ten, butjust over four in ten abouta in ten, butjust over four in ten about a second dose, because that provides about a second dose, because that provides a about a second dose, because that pro ....