By RICARDO ALONSO-ZALDIVAR | February 17, 2021 at 6:50 AM EST - Updated February 18 at 4:09 PM
WASHINGTON (AP) — The U.S. is scrambling to expand DNA mapping of coronavirus samples taken from patients to identify potentially deadlier mutations that are starting to spread around the country.
On Wednesday, the White House announced a scaled up push by the Centers for Disease Control and Prevention, and by a U.S. Army biodefense institute. But the more significant action is on Capitol Hill, where a House bill headed for floor debate would provide $1.75 billion for genomic sequencing.


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