Some countries have temporarily suspended the vaccine after reports of possible serious side-effects.
Other political leaders have publicised their vaccinations as a way to promote trust in the science.
The president also highlighted the safety of the vaccines and encouraged those who are able to get the shots.
The jab could have a "substantial effect" on reducing transmission of coronavirus, Oxford University analysis finds.
Rep. Stephen Lynch received both doses prior to Inauguration Day, according to his spokesperson.
Rodney Baker and his wife, Ekaterina Baker, allegedly flew to a rural Canadian community and posed as local motel workers in order to get vaccinated.
Initial rollout plan will deliver 80,000 jabs per week.
The "Father of the Bride" star thanked science and the "smooth as silk" process but couldn't resist a dig at his age.
The new variant could be behind rising coronavirus infections. Here's what we know.
The 91-year-old won himself even more fans during an appearance on British breakfast television.