When the Covid-19 pandemic hit, the then-Stanford professor was one of the loudest critics of lockdowns, school closures and ...

J Skip Bolen/Getty Images Fauci was at Trump's side early in the COVID-19 outbreak during his first term but grew critical of the president after he tried to undermine public health guidance.

Trump began a 12-month process of withdrawing the US — by far the WHO's largest financial backer — from the agency when he took office in January. Fauci, Biden and WHO had no immediate comment.