The mandate for noncitizen nonimmigrants arriving by air will end on May 12, as will mandates for federal workers and federal contractors, the White House said in a statement.
Mandates for Head Start employees, health care facilities certified by federal regulators, and noncitizens arriving at the U.S. land borders will also be wound down in the future, the administration said, though no specific dates were given.
https://www.whitehouse.gov/briefing-room/statements-releases/2023/05/01/the-biden-administration-will-end-covid-19-vaccination-requirements-for-federal-employees-contractors-international-travelers-head-start-educators-and-cms-certified-facilities/