With more than half of U.S. adults now at least partially vaccinated against COVID-19, a record-high 76% are satisfied with the vaccine rollout in the U.S. Americans' satisfaction with the vaccination process is up from 68% in March and has more than doubled since the 34% recorded in late January. … Gallup's latest polling about the pandemic finds Americans are over three times more worried about people in their local area choosing not to be vaccinated against COVID-19 (55%) than about the availability of vaccines (15%).