>> “They” refers to public health officials
Phase 3 trials were pretty transparent. Unless you suspect fraud, lots of numbers were in the reports. At this point, we have millions of people vaccinated in US, UK, Israel, EU. We don’t see all data yet, but I think we can presume if there were frequent complications, this will be known. South Africa, for example, stopped using AstraZenica, when it was shown less effective on their variant ….