Among the many reasons COVID-19 vaccination rates in the United States peaked earlier than experts hoped—then, rather than crescendoing into the summer months, began trending downward—are myths that took hold among the unvaccinated and solidified as their reasons not to get the shots. The vaccine will make women sterile; the vaccines are too new; the shots have a microchip in them; the vaccine itself will give me COVID; I’m immune because I had COVID; breakthrough cases prove vaccines are useless.