https://apnews.com/fd7619af5d5bf65c3b4f92491cebeb19

NEW YORK (AP) — Confronted with rare cases of blood clots potentially linked to Johnson & Johnson’s COVID-19 vaccine, U.S. health officials faced a delicate task: how to suspend distribution of the shots without setting off alarm about their safety.

It was the just the latest challenge in crisis messaging for officials since the start of the pandemic more than a year ago. The behavior of the new virus, the benefits of masks and the need for school and business closings have all been marked by public confusion, changing guidance and squabbling.