Boris Johnson has said he is due to have his Covid-19 vaccine shortly and it will “be Oxford/AstraZeneca”.In a show of support for the jab, which more than a dozen European countries have stopped using, the Prime Minister told MPs: “I think perhaps the best thing I can say about the Oxford/AstraZeneca vaccine programme is that I finally got news that I’m going to have my own jab very shortly, I’m pleased to discover…“But it will certainly be Oxford/AstraZeneca that I will be having.”