The change comes after Biden’s chief medical advisor, Anthony Fauci, warned that new, more infectious strains of Covid in South Africa and Brazil could reduce the potency of the two vaccines administered in the USA
No exemptions for airlines: The White House official also confirmed that the government will not allow airlines to waive a separate order set to go into effect this week, which will require all international travelers to provide proof of a Covid negative test before entering the US Airlines had requested temporary layoffs that allow them to transport some travelers from countries with limited testing capacity.
However, CDC officials told Reuters they would consider humanitarian exemptions on a case-by-case basis for some travelers.