Johnson and all the others are wrong. Wearing a helmet while bike riding, strapping on your seatbelt in a car — these are personal decisions, at least as far as your own injuries are concerned. Vaccination is different. In the context of a deadly and often debilitating contagion, in which the unchecked spread of infection has consequences for the entire society, vaccination is not a personal decision. And inasmuch as the United States has struggled to achieve herd immunity against Covid-19 through vaccination, it is because we refuse to treat the pandemic for what it is: a social problem to solve through collective action.