Getting COVID-19 vaccine into the arms of Americans is off to a slow start; why the holdup?

More than 12.4 million doses of coronavirus vaccines have shipped to U.S. states, but just over 2.5 million people received shots as of Wednesday, according to the Centers for Disease Control and Prevention.

https://www.usatoday.com/story/news/health/2020/12/30/getting-covid-19-vaccine-into-arms-americans-off-slow-start/4087690001/