Americans are not good at following rules. Better to engineer our society so contaminated air isn’t allowed to flow between people. Just like water-borne epidemics were stopped over the last hundred years by building clean water and sewer systems.
Americans are not good at following rules. Better to engineer our society so contaminated air isn’t allowed to flow between people. Just like water-borne epidemics were stopped over the last hundred years by building clean water and sewer systems.