First it was efficiany with elderly in the study, were the numbers were totally misunderstood. Then it was overall effectiveness, then prevention of severe cases. The list goes on. In the meanwhile, the press is reporting every single rash people get with AZ.
EDIT: Just checked, they found 7 cases of thrombosis in the brain, out of 1.6 million vaccinated people. Well, we'll see how that develops.