Under the regular vaccine approval process, the FDA would collect the results of a company's quality testing as well as samples that the agency could test itself to ensure they meet USA standards before doses are released to the public.
The final trial analysis comes a week after initial results showed the vaccine was more than 90 percent effective.
Pfizer chairman and CEO Dr Albert Bourla said: "The study results mark an important step in this historic eight-month journey to bring forward a vaccine capable of helping to end this devastating pandemic".
Two weeks after warning about a mutated variant of the virus in minks that could threaten the effectiveness of a vaccine, Denmark said Thursday the strain has likely been eradicated.
"And when we've accomplished that then we could have a normal winter".
A green light would cap the fastest vaccine development program ever in the West, going from laboratory to authorization in less than a year. That sets the stage for the advisers' daylong debate about any signs of safety concerns and how the new vaccine technology works before rendering a verdict. "It's not approved yet", Dr. Marion Gruber, chief of FDA's vaccine office, told the National Academy of Medicine this week.
Germany's BioNTech and CureVac declined to comment.
US COVID-19 vaccine programme head Moncef Slaoui said there will not be any constraints on who gets what vaccine.
Other vaccines are in late testing stages in China and Russian Federation.
It is unclear how long the agency will take to review the vaccine, which Pfizer and partner BioNTech SE just days earlier said was 95% effective and well-tolerated in a 44,000-subject trial. Scientists have said it's possible to get coronavirus a few times, though they also said it's quite rare. "What's more, mRNA vaccines are easier to manufacture than more traditional vaccines".
Sahin said he and his wife planned "of course" to get their jabs as soon as possible. But that's not known yet, so experts say it's better to keep up the behaviors that have proven to stymie spread of COVID-19.
He predicts that many people will want to be inoculated once a vaccine becomes available, numbers that would only grow when those people shared their positive experiences.
A municipal police officer wearing a face mask controls pedestrian traffic on Via dei Condotti shopping street in downtown Rome on November 14, 2020, during the coronavirus pandemic.
The 10-year-old company said Monday that its vaccine could be stored at standard refrigerator temperatures of 36 to 46 degrees for up to 30 days, not seven as previously thought, which could make it easier to store than the Pfizer vaccine.
"While the mortality rates remain low, some experts worry that a rise in cases among children may mean a rise in cases of Multisystem Inflammatory Syndrome in Children (MIS-C) later", says USA Today.
Prof Van-Tam said: "What is now really important is that the vaccine is accessible to all communities irrespective of their ethnic background and that people come forwards when they are called and the uptake is very high".