Who should be next in line for vaccine?

A droplet falls from a syringe after a health care worker was injected with the Pfizer-BioNTech COVID-19 vaccine Dec. 15 at a hospital in Providence, R.I. (AP Photo/David Goldman, File)

NEW YORK — Deciding that health care workers and nursing home residents should be first in line for the initial, limited supplies of COVID-19 shots wasn’t that hard a call. Now U.S. health officials have to determine who should be next.