“Many people wonder how we’ve done in less than a year what usually takes at least 4-5 years. It is through getting rid of the dead space," said Dr Peter Marks, director of CBER, FDA
The European Union is under massive pressure to approve potential vaccines after Britain and the United States began rolling out a drug produced by Pfizer and BioNtech.
Health officials had feared the US Thanksgiving holiday in late November would lead to a fresh outbreak of the novel coronavirus after millions of Americans traveled to join friends and family.
With northern hemisphere countries hit by a pandemic winter surge, Britain this week became the first Western country to roll out the Pfizer-BioNTech vaccine.
The device targets adults 22 years or older who suffer from nightmare disorder or have nightmares from post-traumatic stress disorder (PTSD), the FDA said on Friday.