Meanwhile, Trump officials said they were eager to receive the vaccine and would take it when offered.
However, some said they were concerned it would deliver a wrong message, making it appear as if Trump staff members were cutting lines to protect the president.
Trump has contracted the virus during his campaign for the presidential elections. He has now recovered from the virus.
Pfizer-BioNTech s first doses of vaccine left a facility in Michigan early Sunday, with United Parcel Service and FedEx working together to ship the vaccine to all 50 states for distribution.
However, a White House spokesman did not respond to request to comment on the issue.
FDA is committed to issuing this authorization quickly, Hahn added in the Bloomberg report.
Pfizer Vaccine
An FDA advisory panel voted 17-4, with one abstention, on Thursday on the risk and benefits of Pfizer s vaccine. The panel agreed that the benefits of the vaccine outweighed any risks.
Pfizer was developing its potential COVID-19 vaccine with BioNTech SE.President Donald Trump and his administration have placed huge political pressure on the FDA to clear the vaccine.
The United Kingdom and Canada have already approved the use of Pfizer s vaccine.Trump tweeted on Friday that the FDA is a big, old, slow turtle. He then demanded Hahn to get the vaccines out now