Modelling by Canadian public health officials of the coronavirus pandemic, released last week, fell short of explaining the assumptions behind some of the projections, according to a new report that described them as “unexplained and doubtful.” One of the researchers behind the report, Amir Attaran, spoke as an expert witness before the parliamentary health committee on Tuesday and slammed the modelling released by the Public Health Agency of Canada (PHAC) as not being transparent enough. “It contained errors and it was largely unscientific.” The modelling released by federal public health officials on Thursday laid out three different potential scenarios for how the COVID-19 pandemic could unfold in Canada: one with strong control measures