Federal health officials dispensed $25 million Friday to help states worst at risk from the Zika virus defend against its spread, but said they were taking cash from other programs to do it because they cannot get fresh funding from Congress.

New funding for Zika remained deadlocked in Congress as the long July 4 weekend starts, although President Barack Obama made another demand for the money he's been asking for since February.

An employee examines tubes with the label 'Zika virus' at