Nonetheless, a tiny subgroup of Americans was billed anyway, some in small, principally annoying amounts, others in alarming amounts. Some have seen their bills quickly disappear after a phone call, flagged as a mistake. Others found themselves playing long, awkward phone games, stuck with difficult choices of whether to pay for a shot or jeopardize their creditworthiness, and flaunt our confusing system in full, annoying ways.
https://www.washingtonpost.com/nation/2021/11/09/covid-delta-variant-live-updates/