Prognosis
Unused Vaccines Are Piling Up Across U.S. as Some Regions Resist
Even in states where inoculation campaigns have been mostly successful, vaccine gaps remain
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Many U.S. states and cities have a growing surplus of Covid-19 vaccines, a sign that in some places demand is slowing before a large percentage of the population has been inoculated, according to an analysis by Bloomberg News.
The data indicate as many as one in three doses are unused in some states. Appointments for shots often go untaken, with few people signing up.