The two known affected shipping hubs include FedEx’s Memphis, Tenn facility. And Louisville, Ky., According to the CDC. It is not clear how many doses of vaccine are affected by shipping delays, but officials in several states said they were expecting delays, including Colorado, Illinois, Minnesota and Texas.
Kris Ehresmann of the Minnesota Department of Health He said health care providers in the state may have to reschedule appointments because of delays.
Meanwhile, several cities across the country, including Chicago, Memphis and Dallas, have closed vaccination sites because of winter storms.
The news comes at a time when the Biden government announced on Tuesday that it will increase weekly vaccine allocations to states by 23 percent, from 11 million doses to 13.5 million.