There are a few vaccine trackers around,. The one at https://www.nytimes.com/interactive/2020/science/coronavirus-vaccine-tracker.html has 6 in 'early or limited approval' as China, Russia and UAE have approved vaccines without waiting for phase 3 trials to complete. So possible if your wife's friend is in China/Russia/UAE?
There are a few vaccine trackers around,. The one at https://www.nytimes.com/interactive/2020/science/coronavirus-vaccine-tracker.html has 6 in 'early or limited approval' as China, Russia and UAE have approved vaccines without waiting for phase 3 trials to complete. So possible if your wife's friend is in China/Russia/UAE?