President Donald Trump has selected Susan Monarez as his new nominee to head the Centers for Disease Control and Prevention. Monarez, a scientist whose previous work looked at using artificial ...

The Trump administration is running out of time to select a nominee to run the CDC if it wants NIH Director Jay Bhattacharya, who’s also serving as the CDC’s acting director, to stay in dual roles.

In government, the practice is generally known as “dual-hatting,” which is when one official takes on the responsibilities of more than one job simultaneously. Donald Trump has embraced the tactic ...