The UK's Joint Committee on Vaccination and Immunisation recently recommended against vaccinating children under 16 against Covid, despite granting that "the benefits from vaccination are marginally greater than the potential known harms." (Of course, aggregated over a subpopulation of millions, even "marginal" improvements in risk profile can result in several saved lives and scores or hundreds fewer hospitalizations. And, as Deepti Gurdasani makes clear in this thread,* all the evidence ...