Hurdles in speeding up vaccinations

DISTRIBUTED, AT LEAST 430,000ARIZONANS ARE NOW VACCINATED ANDTHE BIDEN ADMINISTRATION SAYSMORE SUPPLY IS ON THE WAY.BUT A SENIOR WHITE HOUSE ADVISERSAYS THERE'S NO STOCKPILE OFDOSES.ARIZONA WORKS TO EXPAND THEDISTRIBUTION EFFORTS, WE AREFOLLOWING THE ROLLOUT AFTERWEEKS BREAKING DOWN WHAT ITMEANS FOR ARIZON