ransomnote: The linked report is complex and should make data-philes very happy. Nicely detailed disclaimers and linked tables of data. I'll collect some of the plain-English summaries to post together here.In ConclusionMeasuring vaccine effectiveness in the real world is a messy business. In this article I used the ‘infection opportunities’ framework to make the data that have been made available by Public Health Ontario better suited for such analysis. The most surprising findings of that analysis are that the risk of infection was:almost 20% higher for vaccinated people in the 0-13 days following the first dose than it was for...