It is now official : the Covid-19 vaccination requirement has been lifted for international travelers entering the United States by air.
The announcement made by the White House took effect on Friday, May 12th, 2023, the same day that the COVID-19 public health emergency ended.
Unvaccinated persons can now travel freely to the United States.
Here is the official article from the White House and the press release from the US Travel Association.
You can find all the details regarding air travel to and from the US on the CDC and State Department websites. A summary of the requirements for entry into the US can be found here: https://www.office-tourisme-usa.com/preparez-votre-voyage/formalites-dentree/.