Inside Trump’s Search for a Health Threat to Justify His Immigration …

President-elect Donald J. Trump is likely to justify his plans to seal off the border with Mexico by citing a public health emergency from immigrants bringing disease into the United States.

Now he just has to find one.

Mr. Trump last invoked public health restrictions, known as Title 42, in the early days of the pandemic in 2020, when the coronavirus was tearing across the globe. As he prepares…