More than two-thirds of the 15 million coronavirus vaccines shipped within the United States have gone unused, US health officials said.
It comes as the governors of New York and Florida vowed to penalise hospitals that do not dispense shots quickly. Medical authorities have confronted widespread distrust of immunisation safety, even among some healthcare workers, owing in part to the record speed with which Covid-19 vaccines were developed and approved.
But some US officials also have cited organisational glitches in launching the most ambitious mass inoculation campaign in the nation's history in the year-end holiday season. "The logistics of getting it going into the people who want it is really the issue," Dr Anthony Fauci, the leading