The June 28 email to the director of the Centers for Disease Control and Prevention was ominous: A senior adviser to a top Health and Human Services Department official accused the CDC of “undermining the President” by putting out a report about the potential risks of the coronavirus to pregnant women.

The adviser, Paul Alexander, criticized the agency’s methods, and said its warning to pregnant women “reads in a way to frighten women . . . as if the President and his administration can’t fix this and it is getting worse.”

As the country enters a frightening phase of the pandemic with new daily cases surpassing 62,000 on Wednesday, the CDC, the nation’s top public health agency, is coming under intense pressure from President Trump and his allies, who are downplaying the dangers in a bid to revive the economy ahead of the Nov. 3 election. In a White House guided by the president’s instincts, rather than by evidence-based policy, the CDC finds itself forced constantly to backtrack or sidelined from pivotal decisions.

The latest clash between the White House and its top public health advisers erupted Wednesday, when the president slammed the agency’s recommendation that schools planning to reopen should keep students’ desks six feet apart, among other steps to reduce infection risks. In a tweet, Trump — who has demanded schools at all levels hold in-person classes this fall — called the advice “very tough & expensive.”

They don't want criticism or their financial bottom line harmed by their own speech.