Being first has come with persistent fears that the places hit hardest in the pandemic — accounting for nearly 40% of the nation’s death toll — could be put at risk again by vaccines sped into development in months rather than years. Some who live and work in homes question if enough testing was done on the elderly, if enough is known of side effects and if the shots could do more harm than good.

“You go get that first and let me know how you feel,” said Denise Schwartz, whose 84-year-old mother lives at an assisted living facility in East Northport, New York, and plans to decline the vaccine. “Obviously it would be horrible for her to get COVID, but is it totally safe for someone who’s elderly and in fragile health?”…

“Folks are concerned about it, that it was rushed through by people who were not listening to the science,” said Denise Allegretti, a director at 1999 SEIU, the nation’s largest healthcare worker union.