Needles are one of many shortages that the Brazilian governments vaccine rollout program is facing. The articles covers this first and foremost, then uses it as a pivot point towards revealing a vague amount of the politics of the situation. It short it is a bite sized articles that expresses a new challenge the Brazilian government is facing.
Brazil and the rampant class disparity, inequality, that exists will make for a difficult challenge for the health ministry to enact. Including vaccinating rural and urban communities, this requiring a high level of administrative skill within both the state and local levels of government.