How a vial of Pfizer COVID-19 vaccine travels from a lab in Missouri to an arm in Bangladesh
- Written by Ravi Anupindi, Professor of Technology and Operations, University of Michigan

Inoculating the planet from COVID-19 presents an unprecedented logistical challenge like none we’ve seen before. Mobilizing for a world war may be the closest comparison – but in this case, the enemy is invisible and everywhere.
Some of the vaccines require super-cold storage at...