One in three Americans aged 65 and above has received a Covid-19 booster shot, data from the United States Centres for Disease Control and Prevention showed.

The country had administered 437,352,000 doses of Covid-19 vaccines in the country as of Friday morning and distributed 551,000,705 doses, Reuters reported.

The agency said 225,606,197 people had received at least one dose while 194,747,839 people had been fully vaccinated as of Friday.