Complex systems

Much has been written about Diversity, Equity, and Inclusion (DEI). Many who are adamant about diversity, especially in regulatory science, are less enthused over equity. I’ve had a few thoughts about both.
Is it too early to address what went wrong when the COVID vaccines were rolled out? This is not about the “first rough draft of history." Instead, it's a more dispassionate, high-altitude view that allows us to assess this public health moment through two different critical theory lenses: complex systems and scaling.
High blood pressure is not a static event, it's dynamic, the result of multiple causes changing at different rates. Treating high blood pressure, or any disease, as a static process makes our models more inaccurate.