The fates of the two most prominent public health officials during the early days of the pandemic have diverged wildly in the early Biden administration, with Dr. Anthony Fauci more ubiquitous than ever but Dr. Deborah Birx effectively ostracized.

Fauci, the government’s top infectious disease expert, is now the chief medical adviser to President Biden and is more prominent on television than ever. In just the past week, he’s appeared on Face the Nation and Today to air his thoughts on the coronavirus.