Because of the large quantity of COVID-19 vaccines that will need to be distributed, manufacturers and distributors are facing challenges. Travel restrictions, storage environments, and inventing and working with new materials are all contributing factors. Some companies are ordering special equipment to help speed up the manufacturing process from years to months. Possible storage conditions of -80°C create other problems including the need to special vials and equipment, as well as transportation requirements.
The director of the CDC has sent a letter to state governors asking them to have vaccine distribution sites ready by November 1st. This is