Governor Pritzker and Chicago area doctors are hopeful the Biden administration will ramp up the COVID-19 vaccine supply.
Many are seeing doses run out quickly as appointments fill up.
CBS 2's Steven Graves reports.
COVID-19 vaccine: Delivering the Pfizer jab and keeping it at -80℃ is not easy
euronews (in English)
Vaccines are already in short supply. So you don't want to ruin the Pfizer one by allowing it to thaw.
