Federal officials said as recently as earlier in December that their goal was to have 20 million people get their first shot by the end of 2020. More than 14 million doses of the Pfizer and Moderna vaccines had been sent out across the United States, federal officials said Wednesday. South Dakota leads the country with more than 48% of its doses given, followed by West Virginia at 38%. Compounding the challenges, federal officials say they do not fully understand the cause of the delays. But state health officials and hospital leaders throughout the country pointed to several factors.

Source: Indian Express January 01, 2021 08:26 UTC