The State of Vaccine Supply: ‘Opaque.’ Unpredictable. ‘Hard to Pin Down.’ Published on February 6, 2021 Politics/Public Health 675 views Even as the pace of vaccination against covid-19 has steadily accelerated — hitting an average of 1.3 million doses a day in the last days of January — the frustration felt by many of those unable to secure an appointment hasn’t waned. More