Behind the messaging whiplash is a president who is strained amid intense pressure to get the pandemic under control and increasingly impatient with the pace of his own government, the officials and people close to the White House said.

“The president is feeling the pressure,” as one person close to the White House put it.

There is growing concern among people close to Trump that as the crisis grinds on, his patience will further fray.

“This is not a movie,” a person familiar with the thinking inside the White House said. “Things take time.”