Coronavirus updates: 1st vaccines now on the way to all 50 US states
Two main trucks left the Pfizer facility on Sunday morning, the company said.
A pandemic of the novel coronavirus has now infected more than 71.5 million people and killed over 1.6 million worldwide, according to real-time data compiled by the Center for Systems Science and Engineering at Johns Hopkins University.
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Kuwait authorizes emergency use of Pfizer/BioNTech COVID-19 vaccine
The gulf nation joins a list of countries -- including the U.K., U.S., Canada, Bahrain, Saudi Arabia and Mexico -- that have authorized the emergency use of the Pfizer/BioNTech COVID-19 vaccine.
-ABC News' Christine Theodorou
Details on Monday's vaccine shipment
With Sunday's vaccine shipment now in transit, Pfizer has began preparations to ship out an additional 400 boxes of the vaccine on Monday.
There are 975 vials per box -- each vial provides five doses of the COVID-19 vaccine, the company said.
There are 195 vials per tray and 60,000 vials per freezer.
2 trucks with COVID-19 vaccines have left facility, Pfizer says
The first vaccines in the U.S. have now left the Pfizer facility and are on their way to all 50 states.
Two main trucks left on Sunday morning -- an additional truck will come in later to pick up a few boxes and take them to the U.S. territories.
On Monday Pfizer has an order for another 400 boxes of the vaccine as well as an order for a slightly less amount of boxes on Tuesday, the company said.
The first shipments are expected to arrive at 145 sites on Monday, 425 sites on Tuesday and another 66 sites on Wednesday, Gen. Gus Perna of the Trump administration's Operation Warp Speed vaccine program said.
At those sites, the vaccines will be paired with ancillary kits to assist with the vaccinations. The kits contain needles, syringes, alcohol swabs, diluent, safety gear and vaccine reminder cards.
-ABC News' Joshua Hoyos and Luis Martinez
FedEx truck carrying 1st shipment of Pfizer vaccine leaves Michigan facility
FedEx has begun its shipment process of the Pfizer vaccine in the U.S. on Sunday morning, the company posted on Twitter.
Advisory Committee on Immunization Practices votes to recommend Pfizer vaccine
The Advisory Committee on Immunization Practices, an independent group of medical experts that advises the Centers for Disease Control and Prevention, in a virtual meeting on Saturday voted 11-0 recommending the Pfizer vaccine for Americans 16 years and older.
Three committee members recused themselves because they had a conflict of interest.
This recommendation now heads to CDC Director Robert Redfield, who must sign off before doses can be administered.
ABC News’ Lauren Lantry contributed to this report.